661726248

素因数分解:

$2^3\times 3^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{12527}}^1$

素因数の和:12638

約数の個数: 64

約数和(自身を含む): 1731870720

約数和(自身を除く): 1070144472

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 31, 62, 71, 93, 124, 142, 186, 213, 248, 284, 372, 426, 568, 744, 852, 1704, 2201, 4402, 6603, 8804, 12527, 13206, 17608, 25054, 26412, 37581, 50108, 52824, 75162, 100216, 150324, 300648, 388337, 776674, 889417, 1165011, 1553348, 1778834, 2330022, 2668251, 3106696, 3557668, 4660044, 5336502, 7115336, 9320088, 10673004, 21346008, 27571927, 55143854, 82715781, 110287708, 165431562, 220575416, 330863124, 661726248]

約数ペア:

[(1, 661726248), (2, 330863124), (3, 220575416), (4, 165431562), (6, 110287708), (8, 82715781), (12, 55143854), (24, 27571927), (31, 21346008), (62, 10673004), (71, 9320088), (93, 7115336), (124, 5336502), (142, 4660044), (186, 3557668), (213, 3106696), (248, 2668251), (284, 2330022), (372, 1778834), (426, 1553348), (568, 1165011), (744, 889417), (852, 776674), (1704, 388337), (2201, 300648), (4402, 150324), (6603, 100216), (8804, 75162), (12527, 52824), (13206, 50108), (17608, 37581), (25054, 26412)]