42620812

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{19991}}^1$

素因数の和:20049

約数の個数: 24

約数和(自身を含む): 82287072

約数和(自身を除く): 39666260

約数列:

[1, 2, 4, 13, 26, 41, 52, 82, 164, 533, 1066, 2132, 19991, 39982, 79964, 259883, 519766, 819631, 1039532, 1639262, 3278524, 10655203, 21310406, 42620812]

約数ペア:

[(1, 42620812), (2, 21310406), (4, 10655203), (13, 3278524), (26, 1639262), (41, 1039532), (52, 819631), (82, 519766), (164, 259883), (533, 79964), (1066, 39982), (2132, 19991)]