164790275

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{83}}^1\times {\mathrm{149}}^1$

素因数の和:296

約数の個数: 48

約数和(自身を含む): 229672800

約数和(自身を除く): 64882525

約数列:

[1, 5, 13, 25, 41, 65, 83, 149, 205, 325, 415, 533, 745, 1025, 1079, 1937, 2075, 2665, 3403, 3725, 5395, 6109, 9685, 12367, 13325, 17015, 26975, 30545, 44239, 48425, 61835, 79417, 85075, 152725, 160771, 221195, 309175, 397085, 507047, 803855, 1105975, 1985425, 2535235, 4019275, 6591611, 12676175, 32958055, 164790275]

約数ペア:

[(1, 164790275), (5, 32958055), (13, 12676175), (25, 6591611), (41, 4019275), (65, 2535235), (83, 1985425), (149, 1105975), (205, 803855), (325, 507047), (415, 397085), (533, 309175), (745, 221195), (1025, 160771), (1079, 152725), (1937, 85075), (2075, 79417), (2665, 61835), (3403, 48425), (3725, 44239), (5395, 30545), (6109, 26975), (9685, 17015), (12367, 13325)]