28231094216

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{191}}^1\times {\mathrm{571}}^1$

素因数の和:931

約数の個数: 128

約数和(自身を含む): 60886425600

約数和(自身を除く): 32655331384

約数列:

[1, 2, 4, 8, 13, 19, 26, 38, 52, 76, 104, 131, 152, 191, 247, 262, 382, 494, 524, 571, 764, 988, 1048, 1142, 1528, 1703, 1976, 2284, 2483, 2489, 3406, 3629, 4568, 4966, 4978, 6812, 7258, 7423, 9932, 9956, 10849, 13624, 14516, 14846, 19864, 19912, 21698, 25021, 29032, 29692, 32357, 43396, 47177, 50042, 59384, 64714, 74801, 86792, 94354, 100084, 109061, 129428, 141037, 149602, 188708, 200168, 218122, 258856, 282074, 299204, 325273, 377416, 436244, 475399, 564148, 598408, 650546, 872488, 950798, 972413, 1128296, 1301092, 1417793, 1421219, 1901596, 1944826, 2072159, 2602184, 2835586, 2842438, 3803192, 3889652, 4144318, 5671172, 5684876, 6180187, 7779304, 8288636, 11342344, 11369752, 12360374, 14286991, 16577272, 18475847, 24720748, 26938067, 28573982, 36951694, 49441496, 53876134, 57147964, 73903388, 107752268, 114295928, 147806776, 185730883, 215504536, 271452829, 371461766, 542905658, 742923532, 1085811316, 1485847064, 2171622632, 3528886777, 7057773554, 14115547108, 28231094216]

約数ペア:

[(1, 28231094216), (2, 14115547108), (4, 7057773554), (8, 3528886777), (13, 2171622632), (19, 1485847064), (26, 1085811316), (38, 742923532), (52, 542905658), (76, 371461766), (104, 271452829), (131, 215504536), (152, 185730883), (191, 147806776), (247, 114295928), (262, 107752268), (382, 73903388), (494, 57147964), (524, 53876134), (571, 49441496), (764, 36951694), (988, 28573982), (1048, 26938067), (1142, 24720748), (1528, 18475847), (1703, 16577272), (1976, 14286991), (2284, 12360374), (2483, 11369752), (2489, 11342344), (3406, 8288636), (3629, 7779304), (4568, 6180187), (4966, 5684876), (4978, 5671172), (6812, 4144318), (7258, 3889652), (7423, 3803192), (9932, 2842438), (9956, 2835586), (10849, 2602184), (13624, 2072159), (14516, 1944826), (14846, 1901596), (19864, 1421219), (19912, 1417793), (21698, 1301092), (25021, 1128296), (29032, 972413), (29692, 950798), (32357, 872488), (43396, 650546), (47177, 598408), (50042, 564148), (59384, 475399), (64714, 436244), (74801, 377416), (86792, 325273), (94354, 299204), (100084, 282074), (109061, 258856), (129428, 218122), (141037, 200168), (149602, 188708)]