438881508

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^3\times {\mathrm{31}}^1\times {\mathrm{179}}^1$

素因数の和:259

約数の個数: 144

約数和(自身を含む): 1247500800

約数和(自身を除く): 808619292

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 31, 36, 39, 52, 62, 78, 93, 117, 124, 156, 169, 179, 186, 234, 279, 338, 358, 372, 403, 468, 507, 537, 558, 676, 716, 806, 1014, 1074, 1116, 1209, 1521, 1611, 1612, 2028, 2148, 2197, 2327, 2418, 3042, 3222, 3627, 4394, 4654, 4836, 5239, 5549, 6084, 6444, 6591, 6981, 7254, 8788, 9308, 10478, 11098, 13182, 13962, 14508, 15717, 16647, 19773, 20943, 20956, 22196, 26364, 27924, 30251, 31434, 33294, 39546, 41886, 47151, 49941, 60502, 62868, 66588, 68107, 72137, 79092, 83772, 90753, 94302, 99882, 121004, 136214, 144274, 181506, 188604, 199764, 204321, 216411, 272259, 272428, 288548, 363012, 393263, 408642, 432822, 544518, 612963, 649233, 786526, 817284, 865644, 937781, 1089036, 1179789, 1225926, 1298466, 1573052, 1875562, 2359578, 2451852, 2596932, 2813343, 3539367, 3751124, 4719156, 5626686, 7078734, 8440029, 11253372, 12191153, 14157468, 16880058, 24382306, 33760116, 36573459, 48764612, 73146918, 109720377, 146293836, 219440754, 438881508]

約数ペア:

[(1, 438881508), (2, 219440754), (3, 146293836), (4, 109720377), (6, 73146918), (9, 48764612), (12, 36573459), (13, 33760116), (18, 24382306), (26, 16880058), (31, 14157468), (36, 12191153), (39, 11253372), (52, 8440029), (62, 7078734), (78, 5626686), (93, 4719156), (117, 3751124), (124, 3539367), (156, 2813343), (169, 2596932), (179, 2451852), (186, 2359578), (234, 1875562), (279, 1573052), (338, 1298466), (358, 1225926), (372, 1179789), (403, 1089036), (468, 937781), (507, 865644), (537, 817284), (558, 786526), (676, 649233), (716, 612963), (806, 544518), (1014, 432822), (1074, 408642), (1116, 393263), (1209, 363012), (1521, 288548), (1611, 272428), (1612, 272259), (2028, 216411), (2148, 204321), (2197, 199764), (2327, 188604), (2418, 181506), (3042, 144274), (3222, 136214), (3627, 121004), (4394, 99882), (4654, 94302), (4836, 90753), (5239, 83772), (5549, 79092), (6084, 72137), (6444, 68107), (6591, 66588), (6981, 62868), (7254, 60502), (8788, 49941), (9308, 47151), (10478, 41886), (11098, 39546), (13182, 33294), (13962, 31434), (14508, 30251), (15717, 27924), (16647, 26364), (19773, 22196), (20943, 20956)]