646977402

素因数分解:

$2^1\times 3^3\times {\mathrm{103}}^1\times {\mathrm{293}}^1\times {\mathrm{397}}^1$

素因数の和:804

約数の個数: 64

約数和(自身を含む): 1460309760

約数和(自身を除く): 813332358

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 103, 206, 293, 309, 397, 586, 618, 794, 879, 927, 1191, 1758, 1854, 2382, 2637, 2781, 3573, 5274, 5562, 7146, 7911, 10719, 15822, 21438, 30179, 40891, 60358, 81782, 90537, 116321, 122673, 181074, 232642, 245346, 271611, 348963, 368019, 543222, 697926, 736038, 814833, 1046889, 1104057, 1629666, 2093778, 2208114, 3140667, 6281334, 11981063, 23962126, 35943189, 71886378, 107829567, 215659134, 323488701, 646977402]

約数ペア:

[(1, 646977402), (2, 323488701), (3, 215659134), (6, 107829567), (9, 71886378), (18, 35943189), (27, 23962126), (54, 11981063), (103, 6281334), (206, 3140667), (293, 2208114), (309, 2093778), (397, 1629666), (586, 1104057), (618, 1046889), (794, 814833), (879, 736038), (927, 697926), (1191, 543222), (1758, 368019), (1854, 348963), (2382, 271611), (2637, 245346), (2781, 232642), (3573, 181074), (5274, 122673), (5562, 116321), (7146, 90537), (7911, 81782), (10719, 60358), (15822, 40891), (21438, 30179)]