28019290

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{9371}}^1$

素因数の和:9414

約数の個数: 32

約数和(自身を含む): 56681856

約数和(自身を除く): 28662566

約数列:

[1, 2, 5, 10, 13, 23, 26, 46, 65, 115, 130, 230, 299, 598, 1495, 2990, 9371, 18742, 46855, 93710, 121823, 215533, 243646, 431066, 609115, 1077665, 1218230, 2155330, 2801929, 5603858, 14009645, 28019290]

約数ペア:

[(1, 28019290), (2, 14009645), (5, 5603858), (10, 2801929), (13, 2155330), (23, 1218230), (26, 1077665), (46, 609115), (65, 431066), (115, 243646), (130, 215533), (230, 121823), (299, 93710), (598, 46855), (1495, 18742), (2990, 9371)]