655123532

素因数分解:

$2^2\times 7^2\times {\mathrm{71}}^1\times {\mathrm{179}}^1\times {\mathrm{263}}^1$

素因数の和:531

約数の個数: 72

約数和(自身を含む): 1365154560

約数和(自身を除く): 710031028

約数列:

[1, 2, 4, 7, 14, 28, 49, 71, 98, 142, 179, 196, 263, 284, 358, 497, 526, 716, 994, 1052, 1253, 1841, 1988, 2506, 3479, 3682, 5012, 6958, 7364, 8771, 12709, 12887, 13916, 17542, 18673, 25418, 25774, 35084, 37346, 47077, 50836, 51548, 74692, 88963, 94154, 130711, 177926, 188308, 261422, 329539, 355852, 522844, 622741, 659078, 914977, 1245482, 1318156, 1829954, 2306773, 2490964, 3342467, 3659908, 4613546, 6684934, 9227092, 13369868, 23397269, 46794538, 93589076, 163780883, 327561766, 655123532]

約数ペア:

[(1, 655123532), (2, 327561766), (4, 163780883), (7, 93589076), (14, 46794538), (28, 23397269), (49, 13369868), (71, 9227092), (98, 6684934), (142, 4613546), (179, 3659908), (196, 3342467), (263, 2490964), (284, 2306773), (358, 1829954), (497, 1318156), (526, 1245482), (716, 914977), (994, 659078), (1052, 622741), (1253, 522844), (1841, 355852), (1988, 329539), (2506, 261422), (3479, 188308), (3682, 177926), (5012, 130711), (6958, 94154), (7364, 88963), (8771, 74692), (12709, 51548), (12887, 50836), (13916, 47077), (17542, 37346), (18673, 35084), (25418, 25774)]