28361645

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{311}}^1$

素因数の和:413

約数の個数: 32

約数和(自身を含む): 38997504

約数和(自身を除く): 10635859

約数列:

[1, 5, 13, 23, 61, 65, 115, 299, 305, 311, 793, 1403, 1495, 1555, 3965, 4043, 7015, 7153, 18239, 18971, 20215, 35765, 91195, 92989, 94855, 246623, 436333, 464945, 1233115, 2181665, 5672329, 28361645]

約数ペア:

[(1, 28361645), (5, 5672329), (13, 2181665), (23, 1233115), (61, 464945), (65, 436333), (115, 246623), (299, 94855), (305, 92989), (311, 91195), (793, 35765), (1403, 20215), (1495, 18971), (1555, 18239), (3965, 7153), (4043, 7015)]