78415432

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{191}}^1$

素因数の和:326

約数の個数: 64

約数和(自身を含む): 161971200

約数和(自身を除く): 83555768

約数列:

[1, 2, 4, 8, 19, 37, 38, 73, 74, 76, 146, 148, 152, 191, 292, 296, 382, 584, 703, 764, 1387, 1406, 1528, 2701, 2774, 2812, 3629, 5402, 5548, 5624, 7067, 7258, 10804, 11096, 13943, 14134, 14516, 21608, 27886, 28268, 29032, 51319, 55772, 56536, 102638, 111544, 134273, 205276, 264917, 268546, 410552, 515891, 529834, 537092, 1031782, 1059668, 1074184, 2063564, 2119336, 4127128, 9801929, 19603858, 39207716, 78415432]

約数ペア:

[(1, 78415432), (2, 39207716), (4, 19603858), (8, 9801929), (19, 4127128), (37, 2119336), (38, 2063564), (73, 1074184), (74, 1059668), (76, 1031782), (146, 537092), (148, 529834), (152, 515891), (191, 410552), (292, 268546), (296, 264917), (382, 205276), (584, 134273), (703, 111544), (764, 102638), (1387, 56536), (1406, 55772), (1528, 51319), (2701, 29032), (2774, 28268), (2812, 27886), (3629, 21608), (5402, 14516), (5548, 14134), (5624, 13943), (7067, 11096), (7258, 10804)]