201521638

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{347}}^1$

素因数の和:445

約数の個数: 64

約数和(自身を含む): 360806400

約数和(自身を除く): 159284762

約数列:

[1, 2, 17, 19, 29, 31, 34, 38, 58, 62, 323, 347, 493, 527, 551, 589, 646, 694, 899, 986, 1054, 1102, 1178, 1798, 5899, 6593, 9367, 10013, 10063, 10757, 11798, 13186, 15283, 17081, 18734, 20026, 20126, 21514, 30566, 34162, 112081, 171071, 182869, 191197, 204383, 224162, 290377, 311953, 342142, 365738, 382394, 408766, 580754, 623906, 3250349, 3474511, 5303201, 5927107, 6500698, 6949022, 10606402, 11854214, 100760819, 201521638]

約数ペア:

[(1, 201521638), (2, 100760819), (17, 11854214), (19, 10606402), (29, 6949022), (31, 6500698), (34, 5927107), (38, 5303201), (58, 3474511), (62, 3250349), (323, 623906), (347, 580754), (493, 408766), (527, 382394), (551, 365738), (589, 342142), (646, 311953), (694, 290377), (899, 224162), (986, 204383), (1054, 191197), (1102, 182869), (1178, 171071), (1798, 112081), (5899, 34162), (6593, 30566), (9367, 21514), (10013, 20126), (10063, 20026), (10757, 18734), (11798, 17081), (13186, 15283)]