31239754

素因数分解:

$2^1\times 7^3\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{113}}^1$

素因数の和:180

約数の個数: 64

約数和(自身を含む): 61286400

約数和(自身を除く): 30046646

約数列:

[1, 2, 7, 13, 14, 26, 31, 49, 62, 91, 98, 113, 182, 217, 226, 343, 403, 434, 637, 686, 791, 806, 1274, 1469, 1519, 1582, 2821, 2938, 3038, 3503, 4459, 5537, 5642, 7006, 8918, 10283, 10633, 11074, 19747, 20566, 21266, 24521, 38759, 39494, 45539, 49042, 71981, 77518, 91078, 138229, 143962, 171647, 276458, 318773, 343294, 503867, 637546, 1007734, 1201529, 2231411, 2403058, 4462822, 15619877, 31239754]

約数ペア:

[(1, 31239754), (2, 15619877), (7, 4462822), (13, 2403058), (14, 2231411), (26, 1201529), (31, 1007734), (49, 637546), (62, 503867), (91, 343294), (98, 318773), (113, 276458), (182, 171647), (217, 143962), (226, 138229), (343, 91078), (403, 77518), (434, 71981), (637, 49042), (686, 45539), (791, 39494), (806, 38759), (1274, 24521), (1469, 21266), (1519, 20566), (1582, 19747), (2821, 11074), (2938, 10633), (3038, 10283), (3503, 8918), (4459, 7006), (5537, 5642)]