161389488

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{258637}}^1$

素因数の和:258661

約数の個数: 40

約数和(自身を含む): 448995568

約数和(自身を除く): 287606080

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 78, 104, 156, 208, 312, 624, 258637, 517274, 775911, 1034548, 1551822, 2069096, 3103644, 3362281, 4138192, 6207288, 6724562, 10086843, 12414576, 13449124, 20173686, 26898248, 40347372, 53796496, 80694744, 161389488]

約数ペア:

[(1, 161389488), (2, 80694744), (3, 53796496), (4, 40347372), (6, 26898248), (8, 20173686), (12, 13449124), (13, 12414576), (16, 10086843), (24, 6724562), (26, 6207288), (39, 4138192), (48, 3362281), (52, 3103644), (78, 2069096), (104, 1551822), (156, 1034548), (208, 775911), (312, 517274), (624, 258637)]