291288725

素因数分解:

$5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{2099}}^1$

素因数の和:2190

約数の個数: 48

約数和(自身を含む): 452054400

約数和(自身を除く): 160765675

約数列:

[1, 5, 7, 13, 25, 35, 61, 65, 91, 175, 305, 325, 427, 455, 793, 1525, 2099, 2135, 2275, 3965, 5551, 10495, 10675, 14693, 19825, 27287, 27755, 52475, 73465, 128039, 136435, 138775, 191009, 367325, 640195, 682175, 896273, 955045, 1664507, 3200975, 4481365, 4775225, 8322535, 11651549, 22406825, 41612675, 58257745, 291288725]

約数ペア:

[(1, 291288725), (5, 58257745), (7, 41612675), (13, 22406825), (25, 11651549), (35, 8322535), (61, 4775225), (65, 4481365), (91, 3200975), (175, 1664507), (305, 955045), (325, 896273), (427, 682175), (455, 640195), (793, 367325), (1525, 191009), (2099, 138775), (2135, 136435), (2275, 128039), (3965, 73465), (5551, 52475), (10495, 27755), (10675, 27287), (14693, 19825)]