16643846401

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{311}}^2$

素因数の和:734

約数の個数: 48

約数和(自身を含む): 21561508864

約数和(自身を除く): 4917662463

約数列:

[1, 7, 13, 31, 61, 91, 217, 311, 403, 427, 793, 1891, 2177, 2821, 4043, 5551, 9641, 13237, 18971, 24583, 28301, 67487, 96721, 125333, 132797, 172081, 246623, 588101, 677047, 877331, 1257373, 1726361, 2998351, 4116707, 5899981, 7645313, 8801611, 20988457, 38978563, 41299867, 53517191, 76699753, 182899411, 272849941, 536898271, 1280295877, 2377692343, 16643846401]

約数ペア:

[(1, 16643846401), (7, 2377692343), (13, 1280295877), (31, 536898271), (61, 272849941), (91, 182899411), (217, 76699753), (311, 53517191), (403, 41299867), (427, 38978563), (793, 20988457), (1891, 8801611), (2177, 7645313), (2821, 5899981), (4043, 4116707), (5551, 2998351), (9641, 1726361), (13237, 1257373), (18971, 877331), (24583, 677047), (28301, 588101), (67487, 246623), (96721, 172081), (125333, 132797)]