12925016

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{211}}^1$

素因数の和:280

約数の個数: 64

約数和(自身を含む): 28492800

約数和(自身を除く): 15567784

約数列:

[1, 2, 4, 8, 13, 19, 26, 31, 38, 52, 62, 76, 104, 124, 152, 211, 247, 248, 403, 422, 494, 589, 806, 844, 988, 1178, 1612, 1688, 1976, 2356, 2743, 3224, 4009, 4712, 5486, 6541, 7657, 8018, 10972, 13082, 15314, 16036, 21944, 26164, 30628, 32072, 52117, 52328, 61256, 85033, 104234, 124279, 170066, 208468, 248558, 340132, 416936, 497116, 680264, 994232, 1615627, 3231254, 6462508, 12925016]

約数ペア:

[(1, 12925016), (2, 6462508), (4, 3231254), (8, 1615627), (13, 994232), (19, 680264), (26, 497116), (31, 416936), (38, 340132), (52, 248558), (62, 208468), (76, 170066), (104, 124279), (124, 104234), (152, 85033), (211, 61256), (247, 52328), (248, 52117), (403, 32072), (422, 30628), (494, 26164), (589, 21944), (806, 16036), (844, 15314), (988, 13082), (1178, 10972), (1612, 8018), (1688, 7657), (1976, 6541), (2356, 5486), (2743, 4712), (3224, 4009)]