28889458

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{491}}^1$

素因数の和:610

約数の個数: 32

約数和(自身を含む): 48932352

約数和(自身を除く): 20042894

約数列:

[1, 2, 13, 26, 31, 62, 73, 146, 403, 491, 806, 949, 982, 1898, 2263, 4526, 6383, 12766, 15221, 29419, 30442, 35843, 58838, 71686, 197873, 395746, 465959, 931918, 1111133, 2222266, 14444729, 28889458]

約数ペア:

[(1, 28889458), (2, 14444729), (13, 2222266), (26, 1111133), (31, 931918), (62, 465959), (73, 395746), (146, 197873), (403, 71686), (491, 58838), (806, 35843), (949, 30442), (982, 29419), (1898, 15221), (2263, 12766), (4526, 6383)]