1978435875

素因数分解:

$3^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{6653}}^1$

素因数の和:6745

約数の個数: 64

約数和(自身を含む): 3604019328

約数和(自身を除く): 1625583453

約数列:

[1, 3, 5, 13, 15, 25, 39, 61, 65, 75, 125, 183, 195, 305, 325, 375, 793, 915, 975, 1525, 1625, 2379, 3965, 4575, 4875, 6653, 7625, 11895, 19825, 19959, 22875, 33265, 59475, 86489, 99125, 99795, 166325, 259467, 297375, 405833, 432445, 498975, 831625, 1217499, 1297335, 2029165, 2162225, 2494875, 5275829, 6087495, 6486675, 10145825, 10811125, 15827487, 26379145, 30437475, 32433375, 50729125, 79137435, 131895725, 152187375, 395687175, 659478625, 1978435875]

約数ペア:

[(1, 1978435875), (3, 659478625), (5, 395687175), (13, 152187375), (15, 131895725), (25, 79137435), (39, 50729125), (61, 32433375), (65, 30437475), (75, 26379145), (125, 15827487), (183, 10811125), (195, 10145825), (305, 6486675), (325, 6087495), (375, 5275829), (793, 2494875), (915, 2162225), (975, 2029165), (1525, 1297335), (1625, 1217499), (2379, 831625), (3965, 498975), (4575, 432445), (4875, 405833), (6653, 297375), (7625, 259467), (11895, 166325), (19825, 99795), (19959, 99125), (22875, 86489), (33265, 59475)]