156978194716

素因数分解:

$2^2\times 7^1\times {\mathrm{109}}^1\times {\mathrm{197}}^1\times {\mathrm{261089}}^1$

素因数の和:261406

約数の個数: 48

約数和(自身を含む): 318446251200

約数和(自身を除く): 161468056484

約数列:

[1, 2, 4, 7, 14, 28, 109, 197, 218, 394, 436, 763, 788, 1379, 1526, 2758, 3052, 5516, 21473, 42946, 85892, 150311, 261089, 300622, 522178, 601244, 1044356, 1827623, 3655246, 7310492, 28458701, 51434533, 56917402, 102869066, 113834804, 199210907, 205738132, 360041731, 398421814, 720083462, 796843628, 1440166924, 5606364097, 11212728194, 22425456388, 39244548679, 78489097358, 156978194716]

約数ペア:

[(1, 156978194716), (2, 78489097358), (4, 39244548679), (7, 22425456388), (14, 11212728194), (28, 5606364097), (109, 1440166924), (197, 796843628), (218, 720083462), (394, 398421814), (436, 360041731), (763, 205738132), (788, 199210907), (1379, 113834804), (1526, 102869066), (2758, 56917402), (3052, 51434533), (5516, 28458701), (21473, 7310492), (42946, 3655246), (85892, 1827623), (150311, 1044356), (261089, 601244), (300622, 522178)]