201995101

素因数分解:

$7^3\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{157}}^1$

素因数の和:231

約数の個数: 48

約数和(自身を含む): 268979200

約数和(自身を除く): 66984099

約数列:

[1, 7, 11, 31, 49, 77, 121, 157, 217, 341, 343, 539, 847, 1099, 1519, 1727, 2387, 3751, 3773, 4867, 5929, 7693, 10633, 12089, 16709, 18997, 26257, 34069, 41503, 53537, 53851, 84623, 116963, 132979, 183799, 238483, 374759, 588907, 592361, 930853, 1286593, 1669381, 2623313, 4122349, 6515971, 18363191, 28856443, 201995101]

約数ペア:

[(1, 201995101), (7, 28856443), (11, 18363191), (31, 6515971), (49, 4122349), (77, 2623313), (121, 1669381), (157, 1286593), (217, 930853), (341, 592361), (343, 588907), (539, 374759), (847, 238483), (1099, 183799), (1519, 132979), (1727, 116963), (2387, 84623), (3751, 53851), (3773, 53537), (4867, 41503), (5929, 34069), (7693, 26257), (10633, 18997), (12089, 16709)]