1218639656

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{509}}^1\times {\mathrm{23021}}^1$

素因数の和:23549

約数の個数: 32

約数和(自身を含む): 2465656200

約数和(自身を除く): 1247016544

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 509, 1018, 2036, 4072, 6617, 13234, 23021, 26468, 46042, 52936, 92084, 184168, 299273, 598546, 1197092, 2394184, 11717689, 23435378, 46870756, 93741512, 152329957, 304659914, 609319828, 1218639656]

約数ペア:

[(1, 1218639656), (2, 609319828), (4, 304659914), (8, 152329957), (13, 93741512), (26, 46870756), (52, 23435378), (104, 11717689), (509, 2394184), (1018, 1197092), (2036, 598546), (4072, 299273), (6617, 184168), (13234, 92084), (23021, 52936), (26468, 46042)]