28780648

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{113}}^1$

素因数の和:242

約数の個数: 64

約数和(自身を含む): 61286400

約数和(自身を除く): 32505752

約数列:

[1, 2, 4, 8, 13, 26, 31, 52, 62, 79, 104, 113, 124, 158, 226, 248, 316, 403, 452, 632, 806, 904, 1027, 1469, 1612, 2054, 2449, 2938, 3224, 3503, 4108, 4898, 5876, 7006, 8216, 8927, 9796, 11752, 14012, 17854, 19592, 28024, 31837, 35708, 45539, 63674, 71416, 91078, 116051, 127348, 182156, 232102, 254696, 276737, 364312, 464204, 553474, 928408, 1106948, 2213896, 3597581, 7195162, 14390324, 28780648]

約数ペア:

[(1, 28780648), (2, 14390324), (4, 7195162), (8, 3597581), (13, 2213896), (26, 1106948), (31, 928408), (52, 553474), (62, 464204), (79, 364312), (104, 276737), (113, 254696), (124, 232102), (158, 182156), (226, 127348), (248, 116051), (316, 91078), (403, 71416), (452, 63674), (632, 45539), (806, 35708), (904, 31837), (1027, 28024), (1469, 19592), (1612, 17854), (2054, 14012), (2449, 11752), (2938, 9796), (3224, 8927), (3503, 8216), (4108, 7006), (4898, 5876)]