388374868

素因数分解:

$2^2\times 7^1\times {\mathrm{179}}^1\times {\mathrm{77489}}^1$

素因数の和:77679

約数の個数: 24

約数和(自身を含む): 781099200

約数和(自身を除く): 392724332

約数列:

[1, 2, 4, 7, 14, 28, 179, 358, 716, 1253, 2506, 5012, 77489, 154978, 309956, 542423, 1084846, 2169692, 13870531, 27741062, 55482124, 97093717, 194187434, 388374868]

約数ペア:

[(1, 388374868), (2, 194187434), (4, 97093717), (7, 55482124), (14, 27741062), (28, 13870531), (179, 2169692), (358, 1084846), (716, 542423), (1253, 309956), (2506, 154978), (5012, 77489)]