28250784

素因数分解:

$2^5\times 3^2\times {\mathrm{233}}^1\times {\mathrm{421}}^1$

素因数の和:670

約数の個数: 72

約数和(自身を含む): 80874612

約数和(自身を除く): 52623828

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 144, 233, 288, 421, 466, 699, 842, 932, 1263, 1398, 1684, 1864, 2097, 2526, 2796, 3368, 3728, 3789, 4194, 5052, 5592, 6736, 7456, 7578, 8388, 10104, 11184, 13472, 15156, 16776, 20208, 22368, 30312, 33552, 40416, 60624, 67104, 98093, 121248, 196186, 294279, 392372, 588558, 784744, 882837, 1177116, 1569488, 1765674, 2354232, 3138976, 3531348, 4708464, 7062696, 9416928, 14125392, 28250784]

約数ペア:

[(1, 28250784), (2, 14125392), (3, 9416928), (4, 7062696), (6, 4708464), (8, 3531348), (9, 3138976), (12, 2354232), (16, 1765674), (18, 1569488), (24, 1177116), (32, 882837), (36, 784744), (48, 588558), (72, 392372), (96, 294279), (144, 196186), (233, 121248), (288, 98093), (421, 67104), (466, 60624), (699, 40416), (842, 33552), (932, 30312), (1263, 22368), (1398, 20208), (1684, 16776), (1864, 15156), (2097, 13472), (2526, 11184), (2796, 10104), (3368, 8388), (3728, 7578), (3789, 7456), (4194, 6736), (5052, 5592)]