213996835

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{59}}^1\times {\mathrm{1361}}^1$

素因数の和:1479

約数の個数: 32

約数和(自身を含む): 288308160

約数和(自身を除く): 74311325

約数列:

[1, 5, 13, 41, 59, 65, 205, 295, 533, 767, 1361, 2419, 2665, 3835, 6805, 12095, 17693, 31447, 55801, 80299, 88465, 157235, 279005, 401495, 725413, 1043887, 3292259, 3627065, 5219435, 16461295, 42799367, 213996835]

約数ペア:

[(1, 213996835), (5, 42799367), (13, 16461295), (41, 5219435), (59, 3627065), (65, 3292259), (205, 1043887), (295, 725413), (533, 401495), (767, 279005), (1361, 157235), (2419, 88465), (2665, 80299), (3835, 55801), (6805, 31447), (12095, 17693)]