68707964

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1$

素因数の和:175

約数の個数: 72

約数和(自身を含む): 139024368

約数和(自身を除く): 70316404

約数列:

[1, 2, 4, 13, 26, 37, 41, 52, 67, 74, 82, 134, 148, 164, 169, 268, 338, 481, 533, 676, 871, 962, 1066, 1517, 1742, 1924, 2132, 2479, 2747, 3034, 3484, 4958, 5494, 6068, 6253, 6929, 9916, 10988, 11323, 12506, 13858, 19721, 22646, 25012, 27716, 32227, 35711, 39442, 45292, 64454, 71422, 78884, 101639, 128908, 142844, 203278, 256373, 406556, 418951, 464243, 512746, 837902, 928486, 1025492, 1321307, 1675804, 1856972, 2642614, 5285228, 17176991, 34353982, 68707964]

約数ペア:

[(1, 68707964), (2, 34353982), (4, 17176991), (13, 5285228), (26, 2642614), (37, 1856972), (41, 1675804), (52, 1321307), (67, 1025492), (74, 928486), (82, 837902), (134, 512746), (148, 464243), (164, 418951), (169, 406556), (268, 256373), (338, 203278), (481, 142844), (533, 128908), (676, 101639), (871, 78884), (962, 71422), (1066, 64454), (1517, 45292), (1742, 39442), (1924, 35711), (2132, 32227), (2479, 27716), (2747, 25012), (3034, 22646), (3484, 19721), (4958, 13858), (5494, 12506), (6068, 11323), (6253, 10988), (6929, 9916)]