25564084

素因数分解:

$2^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{127}}^1$

素因数の和:237

約数の個数: 72

約数和(自身を含む): 57200640

約数和(自身を除く): 31636556

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 49, 52, 79, 91, 98, 127, 158, 182, 196, 254, 316, 364, 508, 553, 637, 889, 1027, 1106, 1274, 1651, 1778, 2054, 2212, 2548, 3302, 3556, 3871, 4108, 6223, 6604, 7189, 7742, 10033, 11557, 12446, 14378, 15484, 20066, 23114, 24892, 28756, 40132, 46228, 50323, 70231, 80899, 100646, 130429, 140462, 161798, 201292, 260858, 280924, 323596, 491617, 521716, 913003, 983234, 1826006, 1966468, 3652012, 6391021, 12782042, 25564084]

約数ペア:

[(1, 25564084), (2, 12782042), (4, 6391021), (7, 3652012), (13, 1966468), (14, 1826006), (26, 983234), (28, 913003), (49, 521716), (52, 491617), (79, 323596), (91, 280924), (98, 260858), (127, 201292), (158, 161798), (182, 140462), (196, 130429), (254, 100646), (316, 80899), (364, 70231), (508, 50323), (553, 46228), (637, 40132), (889, 28756), (1027, 24892), (1106, 23114), (1274, 20066), (1651, 15484), (1778, 14378), (2054, 12446), (2212, 11557), (2548, 10033), (3302, 7742), (3556, 7189), (3871, 6604), (4108, 6223)]