128216108

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{13763}}^1$

素因数の和:13921

約数の個数: 24

約数和(自身を含む): 239328432

約数和(自身を除く): 111112324

約数列:

[1, 2, 4, 17, 34, 68, 137, 274, 548, 2329, 4658, 9316, 13763, 27526, 55052, 233971, 467942, 935884, 1885531, 3771062, 7542124, 32054027, 64108054, 128216108]

約数ペア:

[(1, 128216108), (2, 64108054), (4, 32054027), (17, 7542124), (34, 3771062), (68, 1885531), (137, 935884), (274, 467942), (548, 233971), (2329, 55052), (4658, 27526), (9316, 13763)]