28258904

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{109}}^1\times {\mathrm{1409}}^1$

素因数の和:1547

約数の個数: 32

約数和(自身を含む): 55836000

約数和(自身を除く): 27577096

約数列:

[1, 2, 4, 8, 23, 46, 92, 109, 184, 218, 436, 872, 1409, 2507, 2818, 5014, 5636, 10028, 11272, 20056, 32407, 64814, 129628, 153581, 259256, 307162, 614324, 1228648, 3532363, 7064726, 14129452, 28258904]

約数ペア:

[(1, 28258904), (2, 14129452), (4, 7064726), (8, 3532363), (23, 1228648), (46, 614324), (92, 307162), (109, 259256), (184, 153581), (218, 129628), (436, 64814), (872, 32407), (1409, 20056), (2507, 11272), (2818, 10028), (5014, 5636)]