639291168

素因数分解:

$2^5\times 3^2\times {\mathrm{271}}^1\times {\mathrm{8191}}^1$

素因数の和:8478

約数の個数: 72

約数和(自身を含む): 1824915456

約数和(自身を除く): 1185624288

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 144, 271, 288, 542, 813, 1084, 1626, 2168, 2439, 3252, 4336, 4878, 6504, 8191, 8672, 9756, 13008, 16382, 19512, 24573, 26016, 32764, 39024, 49146, 65528, 73719, 78048, 98292, 131056, 147438, 196584, 262112, 294876, 393168, 589752, 786336, 1179504, 2219761, 2359008, 4439522, 6659283, 8879044, 13318566, 17758088, 19977849, 26637132, 35516176, 39955698, 53274264, 71032352, 79911396, 106548528, 159822792, 213097056, 319645584, 639291168]

約数ペア:

[(1, 639291168), (2, 319645584), (3, 213097056), (4, 159822792), (6, 106548528), (8, 79911396), (9, 71032352), (12, 53274264), (16, 39955698), (18, 35516176), (24, 26637132), (32, 19977849), (36, 17758088), (48, 13318566), (72, 8879044), (96, 6659283), (144, 4439522), (271, 2359008), (288, 2219761), (542, 1179504), (813, 786336), (1084, 589752), (1626, 393168), (2168, 294876), (2439, 262112), (3252, 196584), (4336, 147438), (4878, 131056), (6504, 98292), (8191, 78048), (8672, 73719), (9756, 65528), (13008, 49146), (16382, 39024), (19512, 32764), (24573, 26016)]