72428174

素因数分解:

$2^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{409}}^1$

素因数の和:577

約数の個数: 48

約数和(自身を含む): 137415600

約数和(自身を除く): 64987426

約数列:

[1, 2, 7, 13, 14, 26, 49, 91, 98, 139, 182, 278, 409, 637, 818, 973, 1274, 1807, 1946, 2863, 3614, 5317, 5726, 6811, 10634, 12649, 13622, 20041, 25298, 37219, 40082, 56851, 74438, 88543, 113702, 177086, 260533, 397957, 521066, 739063, 795914, 1478126, 2785699, 5173441, 5571398, 10346882, 36214087, 72428174]

約数ペア:

[(1, 72428174), (2, 36214087), (7, 10346882), (13, 5571398), (14, 5173441), (26, 2785699), (49, 1478126), (91, 795914), (98, 739063), (139, 521066), (182, 397957), (278, 260533), (409, 177086), (637, 113702), (818, 88543), (973, 74438), (1274, 56851), (1807, 40082), (1946, 37219), (2863, 25298), (3614, 20041), (5317, 13622), (5726, 12649), (6811, 10634)]