397819854

素因数分解:

$2^1\times 3^2\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{8563}}^1$

素因数の和:8689

約数の個数: 48

約数和(自身を含む): 901789200

約数和(自身を除く): 503969346

約数列:

[1, 2, 3, 6, 9, 18, 29, 58, 87, 89, 174, 178, 261, 267, 522, 534, 801, 1602, 2581, 5162, 7743, 8563, 15486, 17126, 23229, 25689, 46458, 51378, 77067, 154134, 248327, 496654, 744981, 762107, 1489962, 1524214, 2234943, 2286321, 4469886, 4572642, 6858963, 13717926, 22101103, 44202206, 66303309, 132606618, 198909927, 397819854]

約数ペア:

[(1, 397819854), (2, 198909927), (3, 132606618), (6, 66303309), (9, 44202206), (18, 22101103), (29, 13717926), (58, 6858963), (87, 4572642), (89, 4469886), (174, 2286321), (178, 2234943), (261, 1524214), (267, 1489962), (522, 762107), (534, 744981), (801, 496654), (1602, 248327), (2581, 154134), (5162, 77067), (7743, 51378), (8563, 46458), (15486, 25689), (17126, 23229)]