25298312

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{349}}^1$

素因数の和:426

約数の個数: 64

約数和(自身を含む): 55566000

約数和(自身を除く): 30267688

約数列:

[1, 2, 4, 8, 13, 17, 26, 34, 41, 52, 68, 82, 104, 136, 164, 221, 328, 349, 442, 533, 697, 698, 884, 1066, 1394, 1396, 1768, 2132, 2788, 2792, 4264, 4537, 5576, 5933, 9061, 9074, 11866, 14309, 18122, 18148, 23732, 28618, 36244, 36296, 47464, 57236, 72488, 77129, 114472, 154258, 186017, 243253, 308516, 372034, 486506, 617032, 744068, 973012, 1488136, 1946024, 3162289, 6324578, 12649156, 25298312]

約数ペア:

[(1, 25298312), (2, 12649156), (4, 6324578), (8, 3162289), (13, 1946024), (17, 1488136), (26, 973012), (34, 744068), (41, 617032), (52, 486506), (68, 372034), (82, 308516), (104, 243253), (136, 186017), (164, 154258), (221, 114472), (328, 77129), (349, 72488), (442, 57236), (533, 47464), (697, 36296), (698, 36244), (884, 28618), (1066, 23732), (1394, 18148), (1396, 18122), (1768, 14309), (2132, 11866), (2788, 9074), (2792, 9061), (4264, 5933), (4537, 5576)]