2471145985

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{359}}^1\times {\mathrm{941}}^1$

素因数の和:1342

約数の個数: 64

約数和(自身を含む): 3906662400

約数和(自身を除く): 1435516415

約数列:

[1, 5, 7, 11, 19, 35, 55, 77, 95, 133, 209, 359, 385, 665, 941, 1045, 1463, 1795, 2513, 3949, 4705, 6587, 6821, 7315, 10351, 12565, 17879, 19745, 27643, 32935, 34105, 47747, 51755, 72457, 75031, 89395, 125153, 138215, 196669, 238735, 337819, 362285, 375155, 525217, 625765, 983345, 1376683, 1689095, 2364733, 2626085, 3716009, 6418561, 6883415, 11823665, 18580045, 26012063, 32092805, 44929927, 70604171, 130060315, 224649635, 353020855, 494229197, 2471145985]

約数ペア:

[(1, 2471145985), (5, 494229197), (7, 353020855), (11, 224649635), (19, 130060315), (35, 70604171), (55, 44929927), (77, 32092805), (95, 26012063), (133, 18580045), (209, 11823665), (359, 6883415), (385, 6418561), (665, 3716009), (941, 2626085), (1045, 2364733), (1463, 1689095), (1795, 1376683), (2513, 983345), (3949, 625765), (4705, 525217), (6587, 375155), (6821, 362285), (7315, 337819), (10351, 238735), (12565, 196669), (17879, 138215), (19745, 125153), (27643, 89395), (32935, 75031), (34105, 72457), (47747, 51755)]