816641552

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{251}}^1\times {\mathrm{4729}}^1$

素因数の和:5031

約数の個数: 40

約数和(自身を含む): 1625833440

約数和(自身を除く): 809191888

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 251, 344, 502, 688, 1004, 2008, 4016, 4729, 9458, 10793, 18916, 21586, 37832, 43172, 75664, 86344, 172688, 203347, 406694, 813388, 1186979, 1626776, 2373958, 3253552, 4747916, 9495832, 18991664, 51040097, 102080194, 204160388, 408320776, 816641552]

約数ペア:

[(1, 816641552), (2, 408320776), (4, 204160388), (8, 102080194), (16, 51040097), (43, 18991664), (86, 9495832), (172, 4747916), (251, 3253552), (344, 2373958), (502, 1626776), (688, 1186979), (1004, 813388), (2008, 406694), (4016, 203347), (4729, 172688), (9458, 86344), (10793, 75664), (18916, 43172), (21586, 37832)]