388972688

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{81307}}^1$

素因数の和:81351

約数の個数: 40

約数和(自身を含む): 846904128

約数和(自身を除く): 457931440

約数列:

[1, 2, 4, 8, 13, 16, 23, 26, 46, 52, 92, 104, 184, 208, 299, 368, 598, 1196, 2392, 4784, 81307, 162614, 325228, 650456, 1056991, 1300912, 1870061, 2113982, 3740122, 4227964, 7480244, 8455928, 14960488, 16911856, 24310793, 29920976, 48621586, 97243172, 194486344, 388972688]

約数ペア:

[(1, 388972688), (2, 194486344), (4, 97243172), (8, 48621586), (13, 29920976), (16, 24310793), (23, 16911856), (26, 14960488), (46, 8455928), (52, 7480244), (92, 4227964), (104, 3740122), (184, 2113982), (208, 1870061), (299, 1300912), (368, 1056991), (598, 650456), (1196, 325228), (2392, 162614), (4784, 81307)]