213813210

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{548239}}^1$

素因数の和:548262

約数の個数: 32

約数和(自身を含む): 552625920

約数和(自身を除く): 338812710

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 548239, 1096478, 1644717, 2741195, 3289434, 5482390, 7127107, 8223585, 14254214, 16447170, 21381321, 35635535, 42762642, 71271070, 106906605, 213813210]

約数ペア:

[(1, 213813210), (2, 106906605), (3, 71271070), (5, 42762642), (6, 35635535), (10, 21381321), (13, 16447170), (15, 14254214), (26, 8223585), (30, 7127107), (39, 5482390), (65, 3289434), (78, 2741195), (130, 1644717), (195, 1096478), (390, 548239)]