2581964

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{101}}^1$

素因数の和:206

約数の個数: 48

約数和(自身を含む): 5757696

約数和(自身を除く): 3175732

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 83, 101, 154, 166, 202, 308, 332, 404, 581, 707, 913, 1111, 1162, 1414, 1826, 2222, 2324, 2828, 3652, 4444, 6391, 7777, 8383, 12782, 15554, 16766, 25564, 31108, 33532, 58681, 92213, 117362, 184426, 234724, 368852, 645491, 1290982, 2581964]

約数ペア:

[(1, 2581964), (2, 1290982), (4, 645491), (7, 368852), (11, 234724), (14, 184426), (22, 117362), (28, 92213), (44, 58681), (77, 33532), (83, 31108), (101, 25564), (154, 16766), (166, 15554), (202, 12782), (308, 8383), (332, 7777), (404, 6391), (581, 4444), (707, 3652), (913, 2828), (1111, 2324), (1162, 2222), (1414, 1826)]