16561744

素因数分解:

$2^4\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{239}}^1$

素因数の和:379

約数の個数: 40

約数和(自身を含む): 33212160

約数和(自身を除く): 16650416

約数列:

[1, 2, 4, 8, 16, 61, 71, 122, 142, 239, 244, 284, 478, 488, 568, 956, 976, 1136, 1912, 3824, 4331, 8662, 14579, 16969, 17324, 29158, 33938, 34648, 58316, 67876, 69296, 116632, 135752, 233264, 271504, 1035109, 2070218, 4140436, 8280872, 16561744]

約数ペア:

[(1, 16561744), (2, 8280872), (4, 4140436), (8, 2070218), (16, 1035109), (61, 271504), (71, 233264), (122, 135752), (142, 116632), (239, 69296), (244, 67876), (284, 58316), (478, 34648), (488, 33938), (568, 29158), (956, 17324), (976, 16969), (1136, 14579), (1912, 8662), (3824, 4331)]