42420404

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{101}}^1\times {\mathrm{197}}^1$

素因数の和:356

約数の個数: 48

約数和(自身を含む): 83126736

約数和(自身を除く): 40706332

約数列:

[1, 2, 4, 13, 26, 41, 52, 82, 101, 164, 197, 202, 394, 404, 533, 788, 1066, 1313, 2132, 2561, 2626, 4141, 5122, 5252, 8077, 8282, 10244, 16154, 16564, 19897, 32308, 39794, 53833, 79588, 105001, 107666, 210002, 215332, 258661, 420004, 517322, 815777, 1034644, 1631554, 3263108, 10605101, 21210202, 42420404]

約数ペア:

[(1, 42420404), (2, 21210202), (4, 10605101), (13, 3263108), (26, 1631554), (41, 1034644), (52, 815777), (82, 517322), (101, 420004), (164, 258661), (197, 215332), (202, 210002), (394, 107666), (404, 105001), (533, 79588), (788, 53833), (1066, 39794), (1313, 32308), (2132, 19897), (2561, 16564), (2626, 16154), (4141, 10244), (5122, 8282), (5252, 8077)]