641497045

素因数分解:

$5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{113}}^1\times {\mathrm{2659}}^1$

素因数の和:2845

約数の個数: 32

約数和(自身を含む): 902442240

約数和(自身を除く): 260945195

約数列:

[1, 5, 7, 35, 61, 113, 305, 427, 565, 791, 2135, 2659, 3955, 6893, 13295, 18613, 34465, 48251, 93065, 162199, 241255, 300467, 810995, 1135393, 1502335, 2103269, 5676965, 10516345, 18328487, 91642435, 128299409, 641497045]

約数ペア:

[(1, 641497045), (5, 128299409), (7, 91642435), (35, 18328487), (61, 10516345), (113, 5676965), (305, 2103269), (427, 1502335), (565, 1135393), (791, 810995), (2135, 300467), (2659, 241255), (3955, 162199), (6893, 93065), (13295, 48251), (18613, 34465)]