1297958272

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{7723}}^1$

素因数の和:7851

約数の個数: 64

約数和(自身を含む): 2812617360

約数和(自身を除く): 1514659088

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 101, 104, 128, 202, 208, 404, 416, 808, 832, 1313, 1616, 1664, 2626, 3232, 5252, 6464, 7723, 10504, 12928, 15446, 21008, 30892, 42016, 61784, 84032, 100399, 123568, 168064, 200798, 247136, 401596, 494272, 780023, 803192, 988544, 1560046, 1606384, 3120092, 3212768, 6240184, 6425536, 10140299, 12480368, 12851072, 20280598, 24960736, 40561196, 49921472, 81122392, 99842944, 162244784, 324489568, 648979136, 1297958272]

約数ペア:

[(1, 1297958272), (2, 648979136), (4, 324489568), (8, 162244784), (13, 99842944), (16, 81122392), (26, 49921472), (32, 40561196), (52, 24960736), (64, 20280598), (101, 12851072), (104, 12480368), (128, 10140299), (202, 6425536), (208, 6240184), (404, 3212768), (416, 3120092), (808, 1606384), (832, 1560046), (1313, 988544), (1616, 803192), (1664, 780023), (2626, 494272), (3232, 401596), (5252, 247136), (6464, 200798), (7723, 168064), (10504, 123568), (12928, 100399), (15446, 84032), (21008, 61784), (30892, 42016)]