1388671908

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{59}}^1\times {\mathrm{157}}^1$

素因数の和:298

約数の個数: 144

約数和(自身を含む): 3690146880

約数和(自身を除く): 2301474972

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 31, 39, 52, 59, 62, 78, 93, 118, 124, 156, 157, 177, 186, 236, 314, 354, 372, 403, 471, 628, 708, 767, 806, 942, 961, 1209, 1534, 1612, 1829, 1884, 1922, 2041, 2301, 2418, 2883, 3068, 3658, 3844, 4082, 4602, 4836, 4867, 5487, 5766, 6123, 7316, 8164, 9204, 9263, 9734, 10974, 11532, 12246, 12493, 14601, 18526, 19468, 21948, 23777, 24492, 24986, 27789, 29202, 37052, 37479, 47554, 49972, 55578, 56699, 58404, 63271, 71331, 74958, 95108, 111156, 113398, 120419, 126542, 142662, 149916, 150877, 170097, 189813, 226796, 240838, 253084, 285324, 287153, 301754, 340194, 361257, 379626, 452631, 481676, 574306, 603508, 680388, 722514, 737087, 759252, 861459, 905262, 1148612, 1445028, 1474174, 1722918, 1810524, 1961401, 2211261, 2948348, 3445836, 3732989, 3922802, 4422522, 5884203, 7465978, 7845604, 8845044, 8901743, 11198967, 11768406, 14931956, 17803486, 22397934, 23536812, 26705229, 35606972, 44795868, 53410458, 106820916, 115722659, 231445318, 347167977, 462890636, 694335954, 1388671908]

約数ペア:

[(1, 1388671908), (2, 694335954), (3, 462890636), (4, 347167977), (6, 231445318), (12, 115722659), (13, 106820916), (26, 53410458), (31, 44795868), (39, 35606972), (52, 26705229), (59, 23536812), (62, 22397934), (78, 17803486), (93, 14931956), (118, 11768406), (124, 11198967), (156, 8901743), (157, 8845044), (177, 7845604), (186, 7465978), (236, 5884203), (314, 4422522), (354, 3922802), (372, 3732989), (403, 3445836), (471, 2948348), (628, 2211261), (708, 1961401), (767, 1810524), (806, 1722918), (942, 1474174), (961, 1445028), (1209, 1148612), (1534, 905262), (1612, 861459), (1829, 759252), (1884, 737087), (1922, 722514), (2041, 680388), (2301, 603508), (2418, 574306), (2883, 481676), (3068, 452631), (3658, 379626), (3844, 361257), (4082, 340194), (4602, 301754), (4836, 287153), (4867, 285324), (5487, 253084), (5766, 240838), (6123, 226796), (7316, 189813), (8164, 170097), (9204, 150877), (9263, 149916), (9734, 142662), (10974, 126542), (11532, 120419), (12246, 113398), (12493, 111156), (14601, 95108), (18526, 74958), (19468, 71331), (21948, 63271), (23777, 58404), (24492, 56699), (24986, 55578), (27789, 49972), (29202, 47554), (37052, 37479)]