211015084

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^2\times {\mathrm{89}}^1\times {\mathrm{293}}^1$

素因数の和:427

約数の個数: 72

約数和(自身を含む): 454900320

約数和(自身を除く): 243885236

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 68, 89, 119, 178, 238, 289, 293, 356, 476, 578, 586, 623, 1156, 1172, 1246, 1513, 2023, 2051, 2492, 3026, 4046, 4102, 4981, 6052, 8092, 8204, 9962, 10591, 19924, 21182, 25721, 26077, 34867, 42364, 51442, 52154, 69734, 84677, 102884, 104308, 139468, 169354, 180047, 182539, 338708, 360094, 365078, 443309, 592739, 720188, 730156, 886618, 1185478, 1773236, 2370956, 3103163, 6206326, 7536253, 12412652, 15072506, 30145012, 52753771, 105507542, 211015084]

約数ペア:

[(1, 211015084), (2, 105507542), (4, 52753771), (7, 30145012), (14, 15072506), (17, 12412652), (28, 7536253), (34, 6206326), (68, 3103163), (89, 2370956), (119, 1773236), (178, 1185478), (238, 886618), (289, 730156), (293, 720188), (356, 592739), (476, 443309), (578, 365078), (586, 360094), (623, 338708), (1156, 182539), (1172, 180047), (1246, 169354), (1513, 139468), (2023, 104308), (2051, 102884), (2492, 84677), (3026, 69734), (4046, 52154), (4102, 51442), (4981, 42364), (6052, 34867), (8092, 26077), (8204, 25721), (9962, 21182), (10591, 19924)]