31309278

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{401}}^1$

素因数の和:450

約数の個数: 96

約数和(自身を含む): 84748032

約数和(自身を除く): 53438754

約数列:

[1, 2, 3, 6, 7, 11, 13, 14, 21, 22, 26, 33, 39, 42, 66, 77, 78, 91, 143, 154, 169, 182, 231, 273, 286, 338, 401, 429, 462, 507, 546, 802, 858, 1001, 1014, 1183, 1203, 1859, 2002, 2366, 2406, 2807, 3003, 3549, 3718, 4411, 5213, 5577, 5614, 6006, 7098, 8421, 8822, 10426, 11154, 13013, 13233, 15639, 16842, 26026, 26466, 30877, 31278, 36491, 39039, 57343, 61754, 67769, 72982, 78078, 92631, 109473, 114686, 135538, 172029, 185262, 203307, 218946, 344058, 401401, 406614, 474383, 745459, 802802, 948766, 1204203, 1423149, 1490918, 2236377, 2408406, 2846298, 4472754, 5218213, 10436426, 15654639, 31309278]

約数ペア:

[(1, 31309278), (2, 15654639), (3, 10436426), (6, 5218213), (7, 4472754), (11, 2846298), (13, 2408406), (14, 2236377), (21, 1490918), (22, 1423149), (26, 1204203), (33, 948766), (39, 802802), (42, 745459), (66, 474383), (77, 406614), (78, 401401), (91, 344058), (143, 218946), (154, 203307), (169, 185262), (182, 172029), (231, 135538), (273, 114686), (286, 109473), (338, 92631), (401, 78078), (429, 72982), (462, 67769), (507, 61754), (546, 57343), (802, 39039), (858, 36491), (1001, 31278), (1014, 30877), (1183, 26466), (1203, 26026), (1859, 16842), (2002, 15639), (2366, 13233), (2406, 13013), (2807, 11154), (3003, 10426), (3549, 8822), (3718, 8421), (4411, 7098), (5213, 6006), (5577, 5614)]