817334375

素因数分解:

$5^5\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1$

素因数の和:139

約数の個数: 96

約数和(自身を含む): 1259919360

約数和(自身を除く): 442584985

約数列:

[1, 5, 11, 13, 25, 31, 55, 59, 65, 125, 143, 155, 275, 295, 325, 341, 403, 625, 649, 715, 767, 775, 1375, 1475, 1625, 1705, 1829, 2015, 3125, 3245, 3575, 3835, 3875, 4433, 6875, 7375, 8125, 8437, 8525, 9145, 10075, 16225, 17875, 19175, 19375, 20119, 22165, 23777, 34375, 36875, 40625, 42185, 42625, 45725, 50375, 81125, 89375, 95875, 96875, 100595, 110825, 118885, 184375, 210925, 213125, 228625, 251875, 261547, 405625, 446875, 479375, 502975, 554125, 594425, 1054625, 1065625, 1143125, 1259375, 1307735, 2028125, 2396875, 2514875, 2770625, 2972125, 5273125, 5715625, 6538675, 12574375, 13853125, 14860625, 26365625, 32693375, 62871875, 74303125, 163466875, 817334375]

約数ペア:

[(1, 817334375), (5, 163466875), (11, 74303125), (13, 62871875), (25, 32693375), (31, 26365625), (55, 14860625), (59, 13853125), (65, 12574375), (125, 6538675), (143, 5715625), (155, 5273125), (275, 2972125), (295, 2770625), (325, 2514875), (341, 2396875), (403, 2028125), (625, 1307735), (649, 1259375), (715, 1143125), (767, 1065625), (775, 1054625), (1375, 594425), (1475, 554125), (1625, 502975), (1705, 479375), (1829, 446875), (2015, 405625), (3125, 261547), (3245, 251875), (3575, 228625), (3835, 213125), (3875, 210925), (4433, 184375), (6875, 118885), (7375, 110825), (8125, 100595), (8437, 96875), (8525, 95875), (9145, 89375), (10075, 81125), (16225, 50375), (17875, 45725), (19175, 42625), (19375, 42185), (20119, 40625), (22165, 36875), (23777, 34375)]