31461950

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{499}}^1$

素因数の和:621

約数の個数: 48

約数和(自身を含む): 63798000

約数和(自身を除く): 32336050

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 97, 130, 194, 325, 485, 499, 650, 970, 998, 1261, 2425, 2495, 2522, 4850, 4990, 6305, 6487, 12475, 12610, 12974, 24950, 31525, 32435, 48403, 63050, 64870, 96806, 162175, 242015, 324350, 484030, 629239, 1210075, 1258478, 2420150, 3146195, 6292390, 15730975, 31461950]

約数ペア:

[(1, 31461950), (2, 15730975), (5, 6292390), (10, 3146195), (13, 2420150), (25, 1258478), (26, 1210075), (50, 629239), (65, 484030), (97, 324350), (130, 242015), (194, 162175), (325, 96806), (485, 64870), (499, 63050), (650, 48403), (970, 32435), (998, 31525), (1261, 24950), (2425, 12974), (2495, 12610), (2522, 12475), (4850, 6487), (4990, 6305)]