251521452

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{76777}}^1$

素因数の和:76807

約数の個数: 72

約数和(自身を含む): 782521376

約数和(自身を除く): 530999924

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 13, 14, 18, 21, 26, 28, 36, 39, 42, 52, 63, 78, 84, 91, 117, 126, 156, 182, 234, 252, 273, 364, 468, 546, 819, 1092, 1638, 3276, 76777, 153554, 230331, 307108, 460662, 537439, 690993, 921324, 998101, 1074878, 1381986, 1612317, 1996202, 2149756, 2763972, 2994303, 3224634, 3992404, 4836951, 5988606, 6449268, 6986707, 8982909, 9673902, 11977212, 13973414, 17965818, 19347804, 20960121, 27946828, 35931636, 41920242, 62880363, 83840484, 125760726, 251521452]

約数ペア:

[(1, 251521452), (2, 125760726), (3, 83840484), (4, 62880363), (6, 41920242), (7, 35931636), (9, 27946828), (12, 20960121), (13, 19347804), (14, 17965818), (18, 13973414), (21, 11977212), (26, 9673902), (28, 8982909), (36, 6986707), (39, 6449268), (42, 5988606), (52, 4836951), (63, 3992404), (78, 3224634), (84, 2994303), (91, 2763972), (117, 2149756), (126, 1996202), (156, 1612317), (182, 1381986), (234, 1074878), (252, 998101), (273, 921324), (364, 690993), (468, 537439), (546, 460662), (819, 307108), (1092, 230331), (1638, 153554), (3276, 76777)]