644765187

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{409}}^1$

素因数の和:544

約数の個数: 64

約数和(自身を含む): 1027768320

約数和(自身を除く): 383003133

約数列:

[1, 3, 11, 23, 31, 33, 67, 69, 93, 201, 253, 341, 409, 713, 737, 759, 1023, 1227, 1541, 2077, 2139, 2211, 4499, 4623, 6231, 7843, 9407, 12679, 13497, 16951, 22847, 23529, 27403, 28221, 38037, 47771, 50853, 68541, 82209, 103477, 139469, 143313, 291617, 301433, 310431, 418407, 525481, 630269, 849493, 874851, 904299, 1576443, 1890807, 2548479, 3207787, 6932959, 9344423, 9623361, 19538339, 20798877, 28033269, 58615017, 214921729, 644765187]

約数ペア:

[(1, 644765187), (3, 214921729), (11, 58615017), (23, 28033269), (31, 20798877), (33, 19538339), (67, 9623361), (69, 9344423), (93, 6932959), (201, 3207787), (253, 2548479), (341, 1890807), (409, 1576443), (713, 904299), (737, 874851), (759, 849493), (1023, 630269), (1227, 525481), (1541, 418407), (2077, 310431), (2139, 301433), (2211, 291617), (4499, 143313), (4623, 139469), (6231, 103477), (7843, 82209), (9407, 68541), (12679, 50853), (13497, 47771), (16951, 38037), (22847, 28221), (23529, 27403)]