256465734

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{193}}^1\times {\mathrm{1091}}^1$

素因数の和:1325

約数の個数: 64

約数和(自身を含む): 610122240

約数和(自身を除く): 353656506

約数列:

[1, 2, 3, 6, 7, 14, 21, 29, 42, 58, 87, 174, 193, 203, 386, 406, 579, 609, 1091, 1158, 1218, 1351, 2182, 2702, 3273, 4053, 5597, 6546, 7637, 8106, 11194, 15274, 16791, 22911, 31639, 33582, 39179, 45822, 63278, 78358, 94917, 117537, 189834, 210563, 221473, 235074, 421126, 442946, 631689, 664419, 1263378, 1328838, 1473941, 2947882, 4421823, 6106327, 8843646, 12212654, 18318981, 36637962, 42744289, 85488578, 128232867, 256465734]

約数ペア:

[(1, 256465734), (2, 128232867), (3, 85488578), (6, 42744289), (7, 36637962), (14, 18318981), (21, 12212654), (29, 8843646), (42, 6106327), (58, 4421823), (87, 2947882), (174, 1473941), (193, 1328838), (203, 1263378), (386, 664419), (406, 631689), (579, 442946), (609, 421126), (1091, 235074), (1158, 221473), (1218, 210563), (1351, 189834), (2182, 117537), (2702, 94917), (3273, 78358), (4053, 63278), (5597, 45822), (6546, 39179), (7637, 33582), (8106, 31639), (11194, 22911), (15274, 16791)]