279777778

素因数分解:

$2^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{377059}}^1$

素因数の和:377121

約数の個数: 16

約数和(自身を含む): 488669760

約数和(自身を除く): 208891982

約数列:

[1, 2, 7, 14, 53, 106, 371, 742, 377059, 754118, 2639413, 5278826, 19984127, 39968254, 139888889, 279777778]

約数ペア:

[(1, 279777778), (2, 139888889), (7, 39968254), (14, 19984127), (53, 5278826), (106, 2639413), (371, 754118), (742, 377059)]