28216565

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{14969}}^1$

素因数の和:15016

約数の個数: 16

約数和(自身を含む): 37724400

約数和(自身を除く): 9507835

約数列:

[1, 5, 13, 29, 65, 145, 377, 1885, 14969, 74845, 194597, 434101, 972985, 2170505, 5643313, 28216565]

約数ペア:

[(1, 28216565), (5, 5643313), (13, 2170505), (29, 972985), (65, 434101), (145, 194597), (377, 74845), (1885, 14969)]