664305512

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{227}}^1\times {\mathrm{1481}}^1$

素因数の和:1746

約数の個数: 64

約数和(自身を含む): 1419163200

約数和(自身を除く): 754857688

約数列:

[1, 2, 4, 8, 13, 19, 26, 38, 52, 76, 104, 152, 227, 247, 454, 494, 908, 988, 1481, 1816, 1976, 2951, 2962, 4313, 5902, 5924, 8626, 11804, 11848, 17252, 19253, 23608, 28139, 34504, 38506, 56069, 56278, 77012, 112138, 112556, 154024, 224276, 225112, 336187, 365807, 448552, 672374, 731614, 1344748, 1463228, 2689496, 2926456, 4370431, 6387553, 8740862, 12775106, 17481724, 25550212, 34963448, 51100424, 83038189, 166076378, 332152756, 664305512]

約数ペア:

[(1, 664305512), (2, 332152756), (4, 166076378), (8, 83038189), (13, 51100424), (19, 34963448), (26, 25550212), (38, 17481724), (52, 12775106), (76, 8740862), (104, 6387553), (152, 4370431), (227, 2926456), (247, 2689496), (454, 1463228), (494, 1344748), (908, 731614), (988, 672374), (1481, 448552), (1816, 365807), (1976, 336187), (2951, 225112), (2962, 224276), (4313, 154024), (5902, 112556), (5924, 112138), (8626, 77012), (11804, 56278), (11848, 56069), (17252, 38506), (19253, 34504), (23608, 28139)]