320172918

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{191}}^1\times {\mathrm{21491}}^1$

素因数の和:21700

約数の個数: 32

約数和(自身を含む): 693245952

約数和(自身を除く): 373073034

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 191, 382, 573, 1146, 2483, 4966, 7449, 14898, 21491, 42982, 64473, 128946, 279383, 558766, 838149, 1676298, 4104781, 8209562, 12314343, 24628686, 53362153, 106724306, 160086459, 320172918]

約数ペア:

[(1, 320172918), (2, 160086459), (3, 106724306), (6, 53362153), (13, 24628686), (26, 12314343), (39, 8209562), (78, 4104781), (191, 1676298), (382, 838149), (573, 558766), (1146, 279383), (2483, 128946), (4966, 64473), (7449, 42982), (14898, 21491)]