261724976

素因数分解:

$2^4\times {\mathrm{37}}^1\times {\mathrm{41}}^2\times {\mathrm{263}}^1$

素因数の和:390

約数の個数: 60

約数和(自身を含む): 535839216

約数和(自身を除く): 274114240

約数列:

[1, 2, 4, 8, 16, 37, 41, 74, 82, 148, 164, 263, 296, 328, 526, 592, 656, 1052, 1517, 1681, 2104, 3034, 3362, 4208, 6068, 6724, 9731, 10783, 12136, 13448, 19462, 21566, 24272, 26896, 38924, 43132, 62197, 77848, 86264, 124394, 155696, 172528, 248788, 398971, 442103, 497576, 797942, 884206, 995152, 1595884, 1768412, 3191768, 3536824, 6383536, 7073648, 16357811, 32715622, 65431244, 130862488, 261724976]

約数ペア:

[(1, 261724976), (2, 130862488), (4, 65431244), (8, 32715622), (16, 16357811), (37, 7073648), (41, 6383536), (74, 3536824), (82, 3191768), (148, 1768412), (164, 1595884), (263, 995152), (296, 884206), (328, 797942), (526, 497576), (592, 442103), (656, 398971), (1052, 248788), (1517, 172528), (1681, 155696), (2104, 124394), (3034, 86264), (3362, 77848), (4208, 62197), (6068, 43132), (6724, 38924), (9731, 26896), (10783, 24272), (12136, 21566), (13448, 19462)]