80788893988

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{151}}^1\times {\mathrm{639983}}^1$

素因数の和:640168

約数の個数: 48

約数和(自身を含む): 163426314240

約数和(自身を除く): 82637420252

約数列:

[1, 2, 4, 11, 19, 22, 38, 44, 76, 151, 209, 302, 418, 604, 836, 1661, 2869, 3322, 5738, 6644, 11476, 31559, 63118, 126236, 639983, 1279966, 2559932, 7039813, 12159677, 14079626, 24319354, 28159252, 48638708, 96637433, 133756447, 193274866, 267512894, 386549732, 535025788, 1063011763, 1836111227, 2126023526, 3672222454, 4252047052, 7344444908, 20197223497, 40394446994, 80788893988]

約数ペア:

[(1, 80788893988), (2, 40394446994), (4, 20197223497), (11, 7344444908), (19, 4252047052), (22, 3672222454), (38, 2126023526), (44, 1836111227), (76, 1063011763), (151, 535025788), (209, 386549732), (302, 267512894), (418, 193274866), (604, 133756447), (836, 96637433), (1661, 48638708), (2869, 28159252), (3322, 24319354), (5738, 14079626), (6644, 12159677), (11476, 7039813), (31559, 2559932), (63118, 1279966), (126236, 639983)]