12720106

素因数分解:

$2^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{79}}^1$

素因数の和:179

約数の個数: 48

約数和(自身を含む): 23639040

約数和(自身を除く): 10918934

約数列:

[1, 2, 7, 14, 31, 49, 53, 62, 79, 98, 106, 158, 217, 371, 434, 553, 742, 1106, 1519, 1643, 2449, 2597, 3038, 3286, 3871, 4187, 4898, 5194, 7742, 8374, 11501, 17143, 23002, 29309, 34286, 58618, 80507, 120001, 129797, 161014, 205163, 240002, 259594, 410326, 908579, 1817158, 6360053, 12720106]

約数ペア:

[(1, 12720106), (2, 6360053), (7, 1817158), (14, 908579), (31, 410326), (49, 259594), (53, 240002), (62, 205163), (79, 161014), (98, 129797), (106, 120001), (158, 80507), (217, 58618), (371, 34286), (434, 29309), (553, 23002), (742, 17143), (1106, 11501), (1519, 8374), (1643, 7742), (2449, 5194), (2597, 4898), (3038, 4187), (3286, 3871)]