72402856

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{137}}^1\times {\mathrm{2131}}^1$

素因数の和:2305

約数の個数: 32

約数和(自身を含む): 141223680

約数和(自身を除く): 68820824

約数列:

[1, 2, 4, 8, 31, 62, 124, 137, 248, 274, 548, 1096, 2131, 4247, 4262, 8494, 8524, 16988, 17048, 33976, 66061, 132122, 264244, 291947, 528488, 583894, 1167788, 2335576, 9050357, 18100714, 36201428, 72402856]

約数ペア:

[(1, 72402856), (2, 36201428), (4, 18100714), (8, 9050357), (31, 2335576), (62, 1167788), (124, 583894), (137, 528488), (248, 291947), (274, 264244), (548, 132122), (1096, 66061), (2131, 33976), (4247, 17048), (4262, 16988), (8494, 8524)]