128915552

素因数分解:

$2^5\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{2467}}^1$

素因数の和:2571

約数の個数: 48

約数和(自身を含む): 268676352

約数和(自身を除く): 139760800

約数列:

[1, 2, 4, 8, 16, 23, 32, 46, 71, 92, 142, 184, 284, 368, 568, 736, 1136, 1633, 2272, 2467, 3266, 4934, 6532, 9868, 13064, 19736, 26128, 39472, 52256, 56741, 78944, 113482, 175157, 226964, 350314, 453928, 700628, 907856, 1401256, 1815712, 2802512, 4028611, 5605024, 8057222, 16114444, 32228888, 64457776, 128915552]

約数ペア:

[(1, 128915552), (2, 64457776), (4, 32228888), (8, 16114444), (16, 8057222), (23, 5605024), (32, 4028611), (46, 2802512), (71, 1815712), (92, 1401256), (142, 907856), (184, 700628), (284, 453928), (368, 350314), (568, 226964), (736, 175157), (1136, 113482), (1633, 78944), (2272, 56741), (2467, 52256), (3266, 39472), (4934, 26128), (6532, 19736), (9868, 13064)]