128346928

素因数分解:

$2^4\times {\mathrm{61}}^1\times {\mathrm{107}}^1\times {\mathrm{1229}}^1$

素因数の和:1405

約数の個数: 40

約数和(自身を含む): 255318480

約数和(自身を除く): 126971552

約数列:

[1, 2, 4, 8, 16, 61, 107, 122, 214, 244, 428, 488, 856, 976, 1229, 1712, 2458, 4916, 6527, 9832, 13054, 19664, 26108, 52216, 74969, 104432, 131503, 149938, 263006, 299876, 526012, 599752, 1052024, 1199504, 2104048, 8021683, 16043366, 32086732, 64173464, 128346928]

約数ペア:

[(1, 128346928), (2, 64173464), (4, 32086732), (8, 16043366), (16, 8021683), (61, 2104048), (107, 1199504), (122, 1052024), (214, 599752), (244, 526012), (428, 299876), (488, 263006), (856, 149938), (976, 131503), (1229, 104432), (1712, 74969), (2458, 52216), (4916, 26108), (6527, 19664), (9832, 13054)]