351666692

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{431}}^1$

素因数の和:549

約数の個数: 72

約数和(自身を含む): 717196032

約数和(自身を除く): 365529340

約数列:

[1, 2, 4, 13, 17, 26, 34, 52, 68, 71, 142, 169, 221, 284, 338, 431, 442, 676, 862, 884, 923, 1207, 1724, 1846, 2414, 2873, 3692, 4828, 5603, 5746, 7327, 11206, 11492, 11999, 14654, 15691, 22412, 23998, 29308, 30601, 31382, 47996, 61202, 62764, 72839, 95251, 122404, 145678, 190502, 203983, 291356, 381004, 397813, 407966, 520217, 795626, 815932, 1040434, 1238263, 1591252, 2080868, 2476526, 4953052, 5171569, 6762821, 10343138, 13525642, 20686276, 27051284, 87916673, 175833346, 351666692]

約数ペア:

[(1, 351666692), (2, 175833346), (4, 87916673), (13, 27051284), (17, 20686276), (26, 13525642), (34, 10343138), (52, 6762821), (68, 5171569), (71, 4953052), (142, 2476526), (169, 2080868), (221, 1591252), (284, 1238263), (338, 1040434), (431, 815932), (442, 795626), (676, 520217), (862, 407966), (884, 397813), (923, 381004), (1207, 291356), (1724, 203983), (1846, 190502), (2414, 145678), (2873, 122404), (3692, 95251), (4828, 72839), (5603, 62764), (5746, 61202), (7327, 47996), (11206, 31382), (11492, 30601), (11999, 29308), (14654, 23998), (15691, 22412)]