397072

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1$

素因数の和:127

約数の個数: 40

約数和(自身を含む): 874944

約数和(自身を除く): 477872

約数列:

[1, 2, 4, 8, 13, 16, 23, 26, 46, 52, 83, 92, 104, 166, 184, 208, 299, 332, 368, 598, 664, 1079, 1196, 1328, 1909, 2158, 2392, 3818, 4316, 4784, 7636, 8632, 15272, 17264, 24817, 30544, 49634, 99268, 198536, 397072]

約数ペア:

[(1, 397072), (2, 198536), (4, 99268), (8, 49634), (13, 30544), (16, 24817), (23, 17264), (26, 15272), (46, 8632), (52, 7636), (83, 4784), (92, 4316), (104, 3818), (166, 2392), (184, 2158), (208, 1909), (299, 1328), (332, 1196), (368, 1079), (598, 664)]