1643691238

素因数分解:

$2^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{1321}}^1$

素因数の和:1469

約数の個数: 64

約数和(自身を含む): 3021520896

約数和(自身を除く): 1377829658

約数列:

[1, 2, 7, 14, 31, 47, 61, 62, 94, 122, 217, 329, 427, 434, 658, 854, 1321, 1457, 1891, 2642, 2867, 2914, 3782, 5734, 9247, 10199, 13237, 18494, 20069, 20398, 26474, 40138, 40951, 62087, 80581, 81902, 88877, 124174, 161162, 177754, 286657, 434609, 564067, 573314, 622139, 869218, 1128134, 1244278, 1924697, 2498011, 3787307, 3849394, 4996022, 7574614, 13472879, 17486077, 26511149, 26945758, 34972154, 53022298, 117406517, 234813034, 821845619, 1643691238]

約数ペア:

[(1, 1643691238), (2, 821845619), (7, 234813034), (14, 117406517), (31, 53022298), (47, 34972154), (61, 26945758), (62, 26511149), (94, 17486077), (122, 13472879), (217, 7574614), (329, 4996022), (427, 3849394), (434, 3787307), (658, 2498011), (854, 1924697), (1321, 1244278), (1457, 1128134), (1891, 869218), (2642, 622139), (2867, 573314), (2914, 564067), (3782, 434609), (5734, 286657), (9247, 177754), (10199, 161162), (13237, 124174), (18494, 88877), (20069, 81902), (20398, 80581), (26474, 62087), (40138, 40951)]