28742590

素因数分解:

$2^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{47119}}^1$

素因数の和:47187

約数の個数: 16

約数和(自身を含む): 52585920

約数和(自身を除く): 23843330

約数列:

[1, 2, 5, 10, 61, 122, 305, 610, 47119, 94238, 235595, 471190, 2874259, 5748518, 14371295, 28742590]

約数ペア:

[(1, 28742590), (2, 14371295), (5, 5748518), (10, 2874259), (61, 471190), (122, 235595), (305, 94238), (610, 47119)]