987339925

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{151}}^1$

素因数の和:275

約数の個数: 96

約数和(自身を含む): 1519902720

約数和(自身を除く): 532562795

約数列:

[1, 5, 11, 13, 25, 31, 55, 59, 65, 143, 151, 155, 275, 295, 325, 341, 403, 649, 715, 755, 767, 775, 1475, 1661, 1705, 1829, 1963, 2015, 3245, 3575, 3775, 3835, 4433, 4681, 8305, 8437, 8525, 8909, 9145, 9815, 10075, 16225, 19175, 20119, 21593, 22165, 23405, 23777, 41525, 42185, 44545, 45725, 49075, 51491, 60853, 97999, 100595, 107965, 110825, 115817, 117025, 118885, 210925, 222725, 257455, 261547, 276179, 304265, 489995, 502975, 539825, 579085, 594425, 669383, 1273987, 1287275, 1307735, 1380895, 1521325, 2449975, 2895425, 3037969, 3346915, 3590327, 6369935, 6538675, 6904475, 15189845, 16734575, 17951635, 31849675, 39493597, 75949225, 89758175, 197467985, 987339925]

約数ペア:

[(1, 987339925), (5, 197467985), (11, 89758175), (13, 75949225), (25, 39493597), (31, 31849675), (55, 17951635), (59, 16734575), (65, 15189845), (143, 6904475), (151, 6538675), (155, 6369935), (275, 3590327), (295, 3346915), (325, 3037969), (341, 2895425), (403, 2449975), (649, 1521325), (715, 1380895), (755, 1307735), (767, 1287275), (775, 1273987), (1475, 669383), (1661, 594425), (1705, 579085), (1829, 539825), (1963, 502975), (2015, 489995), (3245, 304265), (3575, 276179), (3775, 261547), (3835, 257455), (4433, 222725), (4681, 210925), (8305, 118885), (8437, 117025), (8525, 115817), (8909, 110825), (9145, 107965), (9815, 100595), (10075, 97999), (16225, 60853), (19175, 51491), (20119, 49075), (21593, 45725), (22165, 44545), (23405, 42185), (23777, 41525)]