201787784

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{449}}^1\times {\mathrm{5107}}^1$

素因数の和:5573

約数の個数: 32

約数和(自身を含む): 413748000

約数和(自身を除く): 211960216

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 449, 898, 1796, 3592, 4939, 5107, 9878, 10214, 19756, 20428, 39512, 40856, 56177, 112354, 224708, 449416, 2293043, 4586086, 9172172, 18344344, 25223473, 50446946, 100893892, 201787784]

約数ペア:

[(1, 201787784), (2, 100893892), (4, 50446946), (8, 25223473), (11, 18344344), (22, 9172172), (44, 4586086), (88, 2293043), (449, 449416), (898, 224708), (1796, 112354), (3592, 56177), (4939, 40856), (5107, 39512), (9878, 20428), (10214, 19756)]