213565744

素因数分解:

$2^4\times 7^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{1399}}^1$

素因数の和:1490

約数の個数: 80

約数和(自身を含む): 499968000

約数和(自身を除く): 286402256

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 29, 47, 56, 58, 94, 112, 116, 188, 203, 232, 329, 376, 406, 464, 658, 752, 812, 1316, 1363, 1399, 1624, 2632, 2726, 2798, 3248, 5264, 5452, 5596, 9541, 9793, 10904, 11192, 19082, 19586, 21808, 22384, 38164, 39172, 40571, 65753, 76328, 78344, 81142, 131506, 152656, 156688, 162284, 263012, 283997, 324568, 460271, 526024, 567994, 649136, 920542, 1052048, 1135988, 1841084, 1906837, 2271976, 3682168, 3813674, 4543952, 7364336, 7627348, 13347859, 15254696, 26695718, 30509392, 53391436, 106782872, 213565744]

約数ペア:

[(1, 213565744), (2, 106782872), (4, 53391436), (7, 30509392), (8, 26695718), (14, 15254696), (16, 13347859), (28, 7627348), (29, 7364336), (47, 4543952), (56, 3813674), (58, 3682168), (94, 2271976), (112, 1906837), (116, 1841084), (188, 1135988), (203, 1052048), (232, 920542), (329, 649136), (376, 567994), (406, 526024), (464, 460271), (658, 324568), (752, 283997), (812, 263012), (1316, 162284), (1363, 156688), (1399, 152656), (1624, 131506), (2632, 81142), (2726, 78344), (2798, 76328), (3248, 65753), (5264, 40571), (5452, 39172), (5596, 38164), (9541, 22384), (9793, 21808), (10904, 19586), (11192, 19082)]