78211264

素因数分解:

$2^6\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{499}}^1$

素因数の和:621

約数の個数: 56

約数和(自身を含む): 162560000

約数和(自身を除く): 84348736

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 79, 124, 158, 248, 316, 496, 499, 632, 992, 998, 1264, 1984, 1996, 2449, 2528, 3992, 4898, 5056, 7984, 9796, 15469, 15968, 19592, 30938, 31936, 39184, 39421, 61876, 78368, 78842, 123752, 156736, 157684, 247504, 315368, 495008, 630736, 990016, 1222051, 1261472, 2444102, 2522944, 4888204, 9776408, 19552816, 39105632, 78211264]

約数ペア:

[(1, 78211264), (2, 39105632), (4, 19552816), (8, 9776408), (16, 4888204), (31, 2522944), (32, 2444102), (62, 1261472), (64, 1222051), (79, 990016), (124, 630736), (158, 495008), (248, 315368), (316, 247504), (496, 157684), (499, 156736), (632, 123752), (992, 78842), (998, 78368), (1264, 61876), (1984, 39421), (1996, 39184), (2449, 31936), (2528, 30938), (3992, 19592), (4898, 15968), (5056, 15469), (7984, 9796)]