87607975

素因数分解:

$5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{397}}^1$

素因数の和:524

約数の個数: 48

約数和(自身を含む): 135421888

約数和(自身を除く): 47813913

約数列:

[1, 5, 7, 13, 25, 35, 65, 91, 97, 175, 325, 397, 455, 485, 679, 1261, 1985, 2275, 2425, 2779, 3395, 5161, 6305, 8827, 9925, 13895, 16975, 25805, 31525, 36127, 38509, 44135, 69475, 129025, 180635, 192545, 220675, 269563, 500617, 903175, 962725, 1347815, 2503085, 3504319, 6739075, 12515425, 17521595, 87607975]

約数ペア:

[(1, 87607975), (5, 17521595), (7, 12515425), (13, 6739075), (25, 3504319), (35, 2503085), (65, 1347815), (91, 962725), (97, 903175), (175, 500617), (325, 269563), (397, 220675), (455, 192545), (485, 180635), (679, 129025), (1261, 69475), (1985, 44135), (2275, 38509), (2425, 36127), (2779, 31525), (3395, 25805), (5161, 16975), (6305, 13895), (8827, 9925)]