12782380

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{211}}^1\times {\mathrm{233}}^1$

素因数の和:466

約数の個数: 48

約数和(自身を含む): 29169504

約数和(自身を除く): 16387124

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 211, 233, 260, 422, 466, 844, 932, 1055, 1165, 2110, 2330, 2743, 3029, 4220, 4660, 5486, 6058, 10972, 12116, 13715, 15145, 27430, 30290, 49163, 54860, 60580, 98326, 196652, 245815, 491630, 639119, 983260, 1278238, 2556476, 3195595, 6391190, 12782380]

約数ペア:

[(1, 12782380), (2, 6391190), (4, 3195595), (5, 2556476), (10, 1278238), (13, 983260), (20, 639119), (26, 491630), (52, 245815), (65, 196652), (130, 98326), (211, 60580), (233, 54860), (260, 49163), (422, 30290), (466, 27430), (844, 15145), (932, 13715), (1055, 12116), (1165, 10972), (2110, 6058), (2330, 5486), (2743, 4660), (3029, 4220)]