65710225

素因数分解:

$5^2\times 7^3\times {\mathrm{79}}^1\times {\mathrm{97}}^1$

素因数の和:207

約数の個数: 48

約数和(自身を含む): 97216000

約数和(自身を除く): 31505775

約数列:

[1, 5, 7, 25, 35, 49, 79, 97, 175, 245, 343, 395, 485, 553, 679, 1225, 1715, 1975, 2425, 2765, 3395, 3871, 4753, 7663, 8575, 13825, 16975, 19355, 23765, 27097, 33271, 38315, 53641, 96775, 118825, 135485, 166355, 191575, 268205, 375487, 677425, 831775, 1341025, 1877435, 2628409, 9387175, 13142045, 65710225]

約数ペア:

[(1, 65710225), (5, 13142045), (7, 9387175), (25, 2628409), (35, 1877435), (49, 1341025), (79, 831775), (97, 677425), (175, 375487), (245, 268205), (343, 191575), (395, 166355), (485, 135485), (553, 118825), (679, 96775), (1225, 53641), (1715, 38315), (1975, 33271), (2425, 27097), (2765, 23765), (3395, 19355), (3871, 16975), (4753, 13825), (7663, 8575)]