128987672

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{24029}}^1$

素因数の和:24107

約数の個数: 32

約数和(自身を含む): 268174800

約数和(自身を除く): 139187128

約数列:

[1, 2, 4, 8, 11, 22, 44, 61, 88, 122, 244, 488, 671, 1342, 2684, 5368, 24029, 48058, 96116, 192232, 264319, 528638, 1057276, 1465769, 2114552, 2931538, 5863076, 11726152, 16123459, 32246918, 64493836, 128987672]

約数ペア:

[(1, 128987672), (2, 64493836), (4, 32246918), (8, 16123459), (11, 11726152), (22, 5863076), (44, 2931538), (61, 2114552), (88, 1465769), (122, 1057276), (244, 528638), (488, 264319), (671, 192232), (1342, 96116), (2684, 48058), (5368, 24029)]