25291908

素因数分解:

$2^2\times 3^2\times {\mathrm{31}}^1\times {\mathrm{131}}^1\times {\mathrm{173}}^1$

素因数の和:345

約数の個数: 72

約数和(自身を含む): 66882816

約数和(自身を除く): 41590908

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 31, 36, 62, 93, 124, 131, 173, 186, 262, 279, 346, 372, 393, 519, 524, 558, 692, 786, 1038, 1116, 1179, 1557, 1572, 2076, 2358, 3114, 4061, 4716, 5363, 6228, 8122, 10726, 12183, 16089, 16244, 21452, 22663, 24366, 32178, 36549, 45326, 48267, 48732, 64356, 67989, 73098, 90652, 96534, 135978, 146196, 193068, 203967, 271956, 407934, 702553, 815868, 1405106, 2107659, 2810212, 4215318, 6322977, 8430636, 12645954, 25291908]

約数ペア:

[(1, 25291908), (2, 12645954), (3, 8430636), (4, 6322977), (6, 4215318), (9, 2810212), (12, 2107659), (18, 1405106), (31, 815868), (36, 702553), (62, 407934), (93, 271956), (124, 203967), (131, 193068), (173, 146196), (186, 135978), (262, 96534), (279, 90652), (346, 73098), (372, 67989), (393, 64356), (519, 48732), (524, 48267), (558, 45326), (692, 36549), (786, 32178), (1038, 24366), (1116, 22663), (1179, 21452), (1557, 16244), (1572, 16089), (2076, 12183), (2358, 10726), (3114, 8122), (4061, 6228), (4716, 5363)]