217121072

素因数分解:

$2^4\times 7^1\times {\mathrm{53}}^1\times {\mathrm{79}}^1\times {\mathrm{463}}^1$

素因数の和:610

約数の個数: 80

約数和(自身を含む): 497111040

約数和(自身を除く): 279989968

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 53, 56, 79, 106, 112, 158, 212, 316, 371, 424, 463, 553, 632, 742, 848, 926, 1106, 1264, 1484, 1852, 2212, 2968, 3241, 3704, 4187, 4424, 5936, 6482, 7408, 8374, 8848, 12964, 16748, 24539, 25928, 29309, 33496, 36577, 49078, 51856, 58618, 66992, 73154, 98156, 117236, 146308, 171773, 196312, 234472, 256039, 292616, 343546, 392624, 468944, 512078, 585232, 687092, 1024156, 1374184, 1938581, 2048312, 2748368, 3877162, 4096624, 7754324, 13570067, 15508648, 27140134, 31017296, 54280268, 108560536, 217121072]

約数ペア:

[(1, 217121072), (2, 108560536), (4, 54280268), (7, 31017296), (8, 27140134), (14, 15508648), (16, 13570067), (28, 7754324), (53, 4096624), (56, 3877162), (79, 2748368), (106, 2048312), (112, 1938581), (158, 1374184), (212, 1024156), (316, 687092), (371, 585232), (424, 512078), (463, 468944), (553, 392624), (632, 343546), (742, 292616), (848, 256039), (926, 234472), (1106, 196312), (1264, 171773), (1484, 146308), (1852, 117236), (2212, 98156), (2968, 73154), (3241, 66992), (3704, 58618), (4187, 51856), (4424, 49078), (5936, 36577), (6482, 33496), (7408, 29309), (8374, 25928), (8848, 24539), (12964, 16748)]