977963357

素因数分解:

$7^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1\times {\mathrm{191}}^1\times {\mathrm{197}}^1$

素因数の和:521

約数の個数: 32

約数和(自身を含む): 1167851520

約数和(自身を除く): 189888163

約数列:

[1, 7, 47, 79, 191, 197, 329, 553, 1337, 1379, 3713, 8977, 9259, 15089, 15563, 25991, 37627, 62839, 64813, 105623, 108941, 263389, 709183, 731461, 1768469, 2972533, 4964281, 5120227, 12379283, 20807731, 139709051, 977963357]

約数ペア:

[(1, 977963357), (7, 139709051), (47, 20807731), (79, 12379283), (191, 5120227), (197, 4964281), (329, 2972533), (553, 1768469), (1337, 731461), (1379, 709183), (3713, 263389), (8977, 108941), (9259, 105623), (15089, 64813), (15563, 62839), (25991, 37627)]