40728818

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{2843}}^1$

素因数の和:2906

約数の個数: 32

約数和(自身を含む): 71668800

約数和(自身を除く): 30939982

約数列:

[1, 2, 13, 19, 26, 29, 38, 58, 247, 377, 494, 551, 754, 1102, 2843, 5686, 7163, 14326, 36959, 54017, 73918, 82447, 108034, 164894, 702221, 1071811, 1404442, 1566493, 2143622, 3132986, 20364409, 40728818]

約数ペア:

[(1, 40728818), (2, 20364409), (13, 3132986), (19, 2143622), (26, 1566493), (29, 1404442), (38, 1071811), (58, 702221), (247, 164894), (377, 108034), (494, 82447), (551, 73918), (754, 54017), (1102, 36959), (2843, 14326), (5686, 7163)]