393399734

素因数分解:

$2^1\times 7^3\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1423}}^1$

素因数の和:1490

約数の個数: 64

約数和(自身を含む): 765542400

約数和(自身を除く): 372142666

約数列:

[1, 2, 7, 13, 14, 26, 31, 49, 62, 91, 98, 182, 217, 343, 403, 434, 637, 686, 806, 1274, 1423, 1519, 2821, 2846, 3038, 4459, 5642, 8918, 9961, 10633, 18499, 19747, 19922, 21266, 36998, 39494, 44113, 69727, 88226, 129493, 138229, 139454, 258986, 276458, 308791, 488089, 573469, 617582, 906451, 976178, 1146938, 1812902, 2161537, 4014283, 4323074, 6345157, 8028566, 12690314, 15130759, 28099981, 30261518, 56199962, 196699867, 393399734]

約数ペア:

[(1, 393399734), (2, 196699867), (7, 56199962), (13, 30261518), (14, 28099981), (26, 15130759), (31, 12690314), (49, 8028566), (62, 6345157), (91, 4323074), (98, 4014283), (182, 2161537), (217, 1812902), (343, 1146938), (403, 976178), (434, 906451), (637, 617582), (686, 573469), (806, 488089), (1274, 308791), (1423, 276458), (1519, 258986), (2821, 139454), (2846, 138229), (3038, 129493), (4459, 88226), (5642, 69727), (8918, 44113), (9961, 39494), (10633, 36998), (18499, 21266), (19747, 19922)]