68718416

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{4931}}^1$

素因数の和:5019

約数の個数: 40

約数和(自身を含む): 145553184

約数和(自身を除く): 76834768

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 67, 104, 134, 208, 268, 536, 871, 1072, 1742, 3484, 4931, 6968, 9862, 13936, 19724, 39448, 64103, 78896, 128206, 256412, 330377, 512824, 660754, 1025648, 1321508, 2643016, 4294901, 5286032, 8589802, 17179604, 34359208, 68718416]

約数ペア:

[(1, 68718416), (2, 34359208), (4, 17179604), (8, 8589802), (13, 5286032), (16, 4294901), (26, 2643016), (52, 1321508), (67, 1025648), (104, 660754), (134, 512824), (208, 330377), (268, 256412), (536, 128206), (871, 78896), (1072, 64103), (1742, 39448), (3484, 19724), (4931, 13936), (6968, 9862)]