221751514088

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{68781487}}^1$

素因数の和:68781537

約数の個数: 32

約数和(自身を含む): 462211599360

約数和(自身を除く): 240460085272

約数列:

[1, 2, 4, 8, 13, 26, 31, 52, 62, 104, 124, 248, 403, 806, 1612, 3224, 68781487, 137562974, 275125948, 550251896, 894159331, 1788318662, 2132226097, 3576637324, 4264452194, 7153274648, 8528904388, 17057808776, 27718939261, 55437878522, 110875757044, 221751514088]

約数ペア:

[(1, 221751514088), (2, 110875757044), (4, 55437878522), (8, 27718939261), (13, 17057808776), (26, 8528904388), (31, 7153274648), (52, 4264452194), (62, 3576637324), (104, 2132226097), (124, 1788318662), (248, 894159331), (403, 550251896), (806, 275125948), (1612, 137562974), (3224, 68781487)]