251142246

素因数分解:

$2^1\times 3^2\times {\mathrm{61}}^1\times {\mathrm{127}}^1\times {\mathrm{1801}}^1$

素因数の和:1997

約数の個数: 48

約数和(自身を含む): 557726208

約数和(自身を除く): 306583962

約数列:

[1, 2, 3, 6, 9, 18, 61, 122, 127, 183, 254, 366, 381, 549, 762, 1098, 1143, 1801, 2286, 3602, 5403, 7747, 10806, 15494, 16209, 23241, 32418, 46482, 69723, 109861, 139446, 219722, 228727, 329583, 457454, 659166, 686181, 988749, 1372362, 1977498, 2058543, 4117086, 13952347, 27904694, 41857041, 83714082, 125571123, 251142246]

約数ペア:

[(1, 251142246), (2, 125571123), (3, 83714082), (6, 41857041), (9, 27904694), (18, 13952347), (61, 4117086), (122, 2058543), (127, 1977498), (183, 1372362), (254, 988749), (366, 686181), (381, 659166), (549, 457454), (762, 329583), (1098, 228727), (1143, 219722), (1801, 139446), (2286, 109861), (3602, 69723), (5403, 46482), (7747, 32418), (10806, 23241), (15494, 16209)]