72918295

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{97}}^1\times {\mathrm{193}}^1$

素因数の和:355

約数の個数: 32

約数和(自身を含む): 95820480

約数和(自身を除く): 22902185

約数列:

[1, 5, 19, 41, 95, 97, 193, 205, 485, 779, 965, 1843, 3667, 3895, 3977, 7913, 9215, 18335, 18721, 19885, 39565, 75563, 93605, 150347, 355699, 377815, 751735, 767561, 1778495, 3837805, 14583659, 72918295]

約数ペア:

[(1, 72918295), (5, 14583659), (19, 3837805), (41, 1778495), (95, 767561), (97, 751735), (193, 377815), (205, 355699), (485, 150347), (779, 93605), (965, 75563), (1843, 39565), (3667, 19885), (3895, 18721), (3977, 18335), (7913, 9215)]