42123116

素因数分解:

$2^2\times 7^1\times {\mathrm{79}}^1\times {\mathrm{137}}^1\times {\mathrm{139}}^1$

素因数の和:366

約数の個数: 48

約数和(自身を含む): 86553600

約数和(自身を除く): 44430484

約数列:

[1, 2, 4, 7, 14, 28, 79, 137, 139, 158, 274, 278, 316, 548, 553, 556, 959, 973, 1106, 1918, 1946, 2212, 3836, 3892, 10823, 10981, 19043, 21646, 21962, 38086, 43292, 43924, 75761, 76172, 76867, 133301, 151522, 153734, 266602, 303044, 307468, 533204, 1504397, 3008794, 6017588, 10530779, 21061558, 42123116]

約数ペア:

[(1, 42123116), (2, 21061558), (4, 10530779), (7, 6017588), (14, 3008794), (28, 1504397), (79, 533204), (137, 307468), (139, 303044), (158, 266602), (274, 153734), (278, 151522), (316, 133301), (548, 76867), (553, 76172), (556, 75761), (959, 43924), (973, 43292), (1106, 38086), (1918, 21962), (1946, 21646), (2212, 19043), (3836, 10981), (3892, 10823)]