25212376

素因数分解:

$2^3\times 7^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{139}}^1$

素因数の和:272

約数の個数: 64

約数和(自身を含む): 56448000

約数和(自身を除く): 31235624

約数列:

[1, 2, 4, 7, 8, 14, 28, 41, 56, 79, 82, 139, 158, 164, 278, 287, 316, 328, 553, 556, 574, 632, 973, 1106, 1112, 1148, 1946, 2212, 2296, 3239, 3892, 4424, 5699, 6478, 7784, 10981, 11398, 12956, 21962, 22673, 22796, 25912, 39893, 43924, 45346, 45592, 76867, 79786, 87848, 90692, 153734, 159572, 181384, 307468, 319144, 450221, 614936, 900442, 1800884, 3151547, 3601768, 6303094, 12606188, 25212376]

約数ペア:

[(1, 25212376), (2, 12606188), (4, 6303094), (7, 3601768), (8, 3151547), (14, 1800884), (28, 900442), (41, 614936), (56, 450221), (79, 319144), (82, 307468), (139, 181384), (158, 159572), (164, 153734), (278, 90692), (287, 87848), (316, 79786), (328, 76867), (553, 45592), (556, 45346), (574, 43924), (632, 39893), (973, 25912), (1106, 22796), (1112, 22673), (1148, 21962), (1946, 12956), (2212, 11398), (2296, 10981), (3239, 7784), (3892, 6478), (4424, 5699)]