87163868

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{2543}}^1$

素因数の和:2618

約数の個数: 48

約数和(自身を含む): 179504640

約数和(自身を除く): 92340772

約数列:

[1, 2, 4, 11, 19, 22, 38, 41, 44, 76, 82, 164, 209, 418, 451, 779, 836, 902, 1558, 1804, 2543, 3116, 5086, 8569, 10172, 17138, 27973, 34276, 48317, 55946, 96634, 104263, 111892, 193268, 208526, 417052, 531487, 1062974, 1146893, 1980997, 2125948, 2293786, 3961994, 4587572, 7923988, 21790967, 43581934, 87163868]

約数ペア:

[(1, 87163868), (2, 43581934), (4, 21790967), (11, 7923988), (19, 4587572), (22, 3961994), (38, 2293786), (41, 2125948), (44, 1980997), (76, 1146893), (82, 1062974), (164, 531487), (209, 417052), (418, 208526), (451, 193268), (779, 111892), (836, 104263), (902, 96634), (1558, 55946), (1804, 48317), (2543, 34276), (3116, 27973), (5086, 17138), (8569, 10172)]