222648712

素因数分解:

$2^3\times {\mathrm{11}}^2\times {\mathrm{13}}^2\times {\mathrm{1361}}^1$

素因数の和:1415

約数の個数: 72

約数和(自身を含む): 497245770

約数和(自身を除く): 274597058

約数列:

[1, 2, 4, 8, 11, 13, 22, 26, 44, 52, 88, 104, 121, 143, 169, 242, 286, 338, 484, 572, 676, 968, 1144, 1352, 1361, 1573, 1859, 2722, 3146, 3718, 5444, 6292, 7436, 10888, 12584, 14872, 14971, 17693, 20449, 29942, 35386, 40898, 59884, 70772, 81796, 119768, 141544, 163592, 164681, 194623, 230009, 329362, 389246, 460018, 658724, 778492, 920036, 1317448, 1556984, 1840072, 2140853, 2530099, 4281706, 5060198, 8563412, 10120396, 17126824, 20240792, 27831089, 55662178, 111324356, 222648712]

約数ペア:

[(1, 222648712), (2, 111324356), (4, 55662178), (8, 27831089), (11, 20240792), (13, 17126824), (22, 10120396), (26, 8563412), (44, 5060198), (52, 4281706), (88, 2530099), (104, 2140853), (121, 1840072), (143, 1556984), (169, 1317448), (242, 920036), (286, 778492), (338, 658724), (484, 460018), (572, 389246), (676, 329362), (968, 230009), (1144, 194623), (1352, 164681), (1361, 163592), (1573, 141544), (1859, 119768), (2722, 81796), (3146, 70772), (3718, 59884), (5444, 40898), (6292, 35386), (7436, 29942), (10888, 20449), (12584, 17693), (14872, 14971)]