78002872

素因数分解:

$2^3\times {\mathrm{71}}^1\times {\mathrm{191}}^1\times {\mathrm{719}}^1$

素因数の和:987

約数の個数: 32

約数和(自身を含む): 149299200

約数和(自身を除く): 71296328

約数列:

[1, 2, 4, 8, 71, 142, 191, 284, 382, 568, 719, 764, 1438, 1528, 2876, 5752, 13561, 27122, 51049, 54244, 102098, 108488, 137329, 204196, 274658, 408392, 549316, 1098632, 9750359, 19500718, 39001436, 78002872]

約数ペア:

[(1, 78002872), (2, 39001436), (4, 19500718), (8, 9750359), (71, 1098632), (142, 549316), (191, 408392), (284, 274658), (382, 204196), (568, 137329), (719, 108488), (764, 102098), (1438, 54244), (1528, 51049), (2876, 27122), (5752, 13561)]