1283872490

素因数分解:

$2^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{881}}^1\times {\mathrm{2389}}^1$

素因数の和:3338

約数の個数: 32

約数和(自身を含む): 2352505680

約数和(自身を除く): 1068633190

約数列:

[1, 2, 5, 10, 61, 122, 305, 610, 881, 1762, 2389, 4405, 4778, 8810, 11945, 23890, 53741, 107482, 145729, 268705, 291458, 537410, 728645, 1457290, 2104709, 4209418, 10523545, 21047090, 128387249, 256774498, 641936245, 1283872490]

約数ペア:

[(1, 1283872490), (2, 641936245), (5, 256774498), (10, 128387249), (61, 21047090), (122, 10523545), (305, 4209418), (610, 2104709), (881, 1457290), (1762, 728645), (2389, 537410), (4405, 291458), (4778, 268705), (8810, 145729), (11945, 107482), (23890, 53741)]