402000248

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{63367}}^1$

素因数の和:63447

約数の個数: 32

約数和(自身を含む): 825051360

約数和(自身を除く): 423051112

約数列:

[1, 2, 4, 8, 13, 26, 52, 61, 104, 122, 244, 488, 793, 1586, 3172, 6344, 63367, 126734, 253468, 506936, 823771, 1647542, 3295084, 3865387, 6590168, 7730774, 15461548, 30923096, 50250031, 100500062, 201000124, 402000248]

約数ペア:

[(1, 402000248), (2, 201000124), (4, 100500062), (8, 50250031), (13, 30923096), (26, 15461548), (52, 7730774), (61, 6590168), (104, 3865387), (122, 3295084), (244, 1647542), (488, 823771), (793, 506936), (1586, 253468), (3172, 126734), (6344, 63367)]