221273195

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{149}}^1$

素因数の和:276

約数の個数: 64

約数和(自身を含む): 329011200

約数和(自身を除く): 107738005

約数列:

[1, 5, 11, 13, 31, 55, 65, 67, 143, 149, 155, 335, 341, 403, 715, 737, 745, 871, 1639, 1705, 1937, 2015, 2077, 3685, 4355, 4433, 4619, 8195, 9581, 9685, 9983, 10385, 21307, 22165, 22847, 23095, 27001, 47905, 49915, 50809, 60047, 106535, 109813, 114235, 129779, 135005, 254045, 297011, 300235, 309473, 549065, 648895, 660517, 1427569, 1485055, 1547365, 3302585, 3404203, 4023149, 7137845, 17021015, 20115745, 44254639, 221273195]

約数ペア:

[(1, 221273195), (5, 44254639), (11, 20115745), (13, 17021015), (31, 7137845), (55, 4023149), (65, 3404203), (67, 3302585), (143, 1547365), (149, 1485055), (155, 1427569), (335, 660517), (341, 648895), (403, 549065), (715, 309473), (737, 300235), (745, 297011), (871, 254045), (1639, 135005), (1705, 129779), (1937, 114235), (2015, 109813), (2077, 106535), (3685, 60047), (4355, 50809), (4433, 49915), (4619, 47905), (8195, 27001), (9581, 23095), (9685, 22847), (9983, 22165), (10385, 21307)]