1520773891

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{83}}^1\times {\mathrm{131}}^1$

素因数の和:316

約数の個数: 64

約数和(自身を含む): 2011806720

約数和(自身を除く): 491032829

約数列:

[1, 7, 13, 29, 53, 83, 91, 131, 203, 371, 377, 581, 689, 917, 1079, 1537, 1703, 2407, 2639, 3799, 4399, 4823, 6943, 7553, 10759, 10873, 11921, 16849, 19981, 26593, 30793, 31291, 48601, 49387, 57187, 76111, 90259, 127571, 139867, 141349, 201347, 219037, 315317, 345709, 400309, 576269, 631813, 892997, 989443, 1409429, 1658423, 2207219, 2617511, 4033883, 4099121, 7491497, 11608961, 16711801, 18322577, 28693847, 52440479, 116982607, 217253413, 1520773891]

約数ペア:

[(1, 1520773891), (7, 217253413), (13, 116982607), (29, 52440479), (53, 28693847), (83, 18322577), (91, 16711801), (131, 11608961), (203, 7491497), (371, 4099121), (377, 4033883), (581, 2617511), (689, 2207219), (917, 1658423), (1079, 1409429), (1537, 989443), (1703, 892997), (2407, 631813), (2639, 576269), (3799, 400309), (4399, 345709), (4823, 315317), (6943, 219037), (7553, 201347), (10759, 141349), (10873, 139867), (11921, 127571), (16849, 90259), (19981, 76111), (26593, 57187), (30793, 49387), (31291, 48601)]