90726428

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{17987}}^1$

素因数の和:18101

約数の個数: 24

約数和(自身を含む): 172756752

約数和(自身を除く): 82030324

約数列:

[1, 2, 4, 13, 26, 52, 97, 194, 388, 1261, 2522, 5044, 17987, 35974, 71948, 233831, 467662, 935324, 1744739, 3489478, 6978956, 22681607, 45363214, 90726428]

約数ペア:

[(1, 90726428), (2, 45363214), (4, 22681607), (13, 6978956), (26, 3489478), (52, 1744739), (97, 935324), (194, 467662), (388, 233831), (1261, 71948), (2522, 35974), (5044, 17987)]