1639448216

素因数分解:

$2^3\times 7^1\times {\mathrm{97}}^1\times {\mathrm{301813}}^1$

素因数の和:301923

約数の個数: 32

約数和(自身を含む): 3549332640

約数和(自身を除く): 1909884424

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 97, 194, 388, 679, 776, 1358, 2716, 5432, 301813, 603626, 1207252, 2112691, 2414504, 4225382, 8450764, 16901528, 29275861, 58551722, 117103444, 204931027, 234206888, 409862054, 819724108, 1639448216]

約数ペア:

[(1, 1639448216), (2, 819724108), (4, 409862054), (7, 234206888), (8, 204931027), (14, 117103444), (28, 58551722), (56, 29275861), (97, 16901528), (194, 8450764), (388, 4225382), (679, 2414504), (776, 2112691), (1358, 1207252), (2716, 603626), (5432, 301813)]