505193072

素因数分解:

$2^4\times {\mathrm{97}}^1\times {\mathrm{163}}^1\times {\mathrm{1997}}^1$

素因数の和:2265

約数の個数: 40

約数和(自身を含む): 995467536

約数和(自身を除く): 490274464

約数列:

[1, 2, 4, 8, 16, 97, 163, 194, 326, 388, 652, 776, 1304, 1552, 1997, 2608, 3994, 7988, 15811, 15976, 31622, 31952, 63244, 126488, 193709, 252976, 325511, 387418, 651022, 774836, 1302044, 1549672, 2604088, 3099344, 5208176, 31574567, 63149134, 126298268, 252596536, 505193072]

約数ペア:

[(1, 505193072), (2, 252596536), (4, 126298268), (8, 63149134), (16, 31574567), (97, 5208176), (163, 3099344), (194, 2604088), (326, 1549672), (388, 1302044), (652, 774836), (776, 651022), (1304, 387418), (1552, 325511), (1997, 252976), (2608, 193709), (3994, 126488), (7988, 63244), (15811, 31952), (15976, 31622)]