31639790

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{4967}}^1$

素因数の和:5001

約数の個数: 48

約数和(自身を含む): 71360352

約数和(自身を除く): 39720562

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 49, 65, 70, 91, 98, 130, 182, 245, 455, 490, 637, 910, 1274, 3185, 4967, 6370, 9934, 24835, 34769, 49670, 64571, 69538, 129142, 173845, 243383, 322855, 347690, 451997, 486766, 645710, 903994, 1216915, 2259985, 2433830, 3163979, 4519970, 6327958, 15819895, 31639790]

約数ペア:

[(1, 31639790), (2, 15819895), (5, 6327958), (7, 4519970), (10, 3163979), (13, 2433830), (14, 2259985), (26, 1216915), (35, 903994), (49, 645710), (65, 486766), (70, 451997), (91, 347690), (98, 322855), (130, 243383), (182, 173845), (245, 129142), (455, 69538), (490, 64571), (637, 49670), (910, 34769), (1274, 24835), (3185, 9934), (4967, 6370)]