285065872

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{195787}}^1$

素因数の和:195815

約数の個数: 40

約数和(自身を含む): 679775936

約数和(自身を除く): 394710064

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 182, 208, 364, 728, 1456, 195787, 391574, 783148, 1370509, 1566296, 2545231, 2741018, 3132592, 5090462, 5482036, 10180924, 10964072, 17816617, 20361848, 21928144, 35633234, 40723696, 71266468, 142532936, 285065872]

約数ペア:

[(1, 285065872), (2, 142532936), (4, 71266468), (7, 40723696), (8, 35633234), (13, 21928144), (14, 20361848), (16, 17816617), (26, 10964072), (28, 10180924), (52, 5482036), (56, 5090462), (91, 3132592), (104, 2741018), (112, 2545231), (182, 1566296), (208, 1370509), (364, 783148), (728, 391574), (1456, 195787)]