220996974

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{431}}^1\times {\mathrm{457}}^1$

素因数の和:921

約数の個数: 64

約数和(自身を含む): 512842752

約数和(自身を除く): 291845778

約数列:

[1, 2, 3, 6, 11, 17, 22, 33, 34, 51, 66, 102, 187, 374, 431, 457, 561, 862, 914, 1122, 1293, 1371, 2586, 2742, 4741, 5027, 7327, 7769, 9482, 10054, 14223, 14654, 15081, 15538, 21981, 23307, 28446, 30162, 43962, 46614, 80597, 85459, 161194, 170918, 196967, 241791, 256377, 393934, 483582, 512754, 590901, 1181802, 2166637, 3348439, 4333274, 6499911, 6696878, 10045317, 12999822, 20090634, 36832829, 73665658, 110498487, 220996974]

約数ペア:

[(1, 220996974), (2, 110498487), (3, 73665658), (6, 36832829), (11, 20090634), (17, 12999822), (22, 10045317), (33, 6696878), (34, 6499911), (51, 4333274), (66, 3348439), (102, 2166637), (187, 1181802), (374, 590901), (431, 512754), (457, 483582), (561, 393934), (862, 256377), (914, 241791), (1122, 196967), (1293, 170918), (1371, 161194), (2586, 85459), (2742, 80597), (4741, 46614), (5027, 43962), (7327, 30162), (7769, 28446), (9482, 23307), (10054, 21981), (14223, 15538), (14654, 15081)]