40257998

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{37}}^1\times {\mathrm{137}}^1$

素因数の和:225

約数の個数: 48

約数和(自身を含む): 71926704

約数和(自身を除く): 31668706

約数列:

[1, 2, 11, 19, 22, 37, 38, 74, 137, 209, 274, 361, 407, 418, 703, 722, 814, 1406, 1507, 2603, 3014, 3971, 5069, 5206, 7733, 7942, 10138, 13357, 15466, 26714, 28633, 49457, 55759, 57266, 96311, 98914, 111518, 146927, 192622, 293854, 544027, 1059421, 1088054, 1829909, 2118842, 3659818, 20128999, 40257998]

約数ペア:

[(1, 40257998), (2, 20128999), (11, 3659818), (19, 2118842), (22, 1829909), (37, 1088054), (38, 1059421), (74, 544027), (137, 293854), (209, 192622), (274, 146927), (361, 111518), (407, 98914), (418, 96311), (703, 57266), (722, 55759), (814, 49457), (1406, 28633), (1507, 26714), (2603, 15466), (3014, 13357), (3971, 10138), (5069, 7942), (5206, 7733)]