397788553996

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{85804261}}^1$

素因数の和:85804345

約数の個数: 24

約数和(自身を含む): 744780994160

約数和(自身を除く): 346992440164

約数列:

[1, 2, 4, 19, 38, 61, 76, 122, 244, 1159, 2318, 4636, 85804261, 171608522, 343217044, 1630280959, 3260561918, 5234059921, 6521123836, 10468119842, 20936239684, 99447138499, 198894276998, 397788553996]

約数ペア:

[(1, 397788553996), (2, 198894276998), (4, 99447138499), (19, 20936239684), (38, 10468119842), (61, 6521123836), (76, 5234059921), (122, 3260561918), (244, 1630280959), (1159, 343217044), (2318, 171608522), (4636, 85804261)]