1387302512

素因数分解:

$2^4\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{16729}}^1$

素因数の和:16881

約数の個数: 40

約数和(自身を含む): 2763260640

約数和(自身を除く): 1375958128

約数列:

[1, 2, 4, 8, 16, 71, 73, 142, 146, 284, 292, 568, 584, 1136, 1168, 5183, 10366, 16729, 20732, 33458, 41464, 66916, 82928, 133832, 267664, 1187759, 1221217, 2375518, 2442434, 4751036, 4884868, 9502072, 9769736, 19004144, 19539472, 86706407, 173412814, 346825628, 693651256, 1387302512]

約数ペア:

[(1, 1387302512), (2, 693651256), (4, 346825628), (8, 173412814), (16, 86706407), (71, 19539472), (73, 19004144), (142, 9769736), (146, 9502072), (284, 4884868), (292, 4751036), (568, 2442434), (584, 2375518), (1136, 1221217), (1168, 1187759), (5183, 267664), (10366, 133832), (16729, 82928), (20732, 66916), (33458, 41464)]