128761584

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{383219}}^1$

素因数の和:383237

約数の個数: 40

約数和(自身を含む): 380154240

約数和(自身を除く): 251392656

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 168, 336, 383219, 766438, 1149657, 1532876, 2299314, 2682533, 3065752, 4598628, 5365066, 6131504, 8047599, 9197256, 10730132, 16095198, 18394512, 21460264, 32190396, 42920528, 64380792, 128761584]

約数ペア:

[(1, 128761584), (2, 64380792), (3, 42920528), (4, 32190396), (6, 21460264), (7, 18394512), (8, 16095198), (12, 10730132), (14, 9197256), (16, 8047599), (21, 6131504), (24, 5365066), (28, 4598628), (42, 3065752), (48, 2682533), (56, 2299314), (84, 1532876), (112, 1149657), (168, 766438), (336, 383219)]