78696772

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{197}}^1\times {\mathrm{1297}}^1$

素因数の和:1516

約数の個数: 48

約数和(自身を含む): 172706688

約数和(自身を除く): 94009916

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 197, 308, 394, 788, 1297, 1379, 2167, 2594, 2758, 4334, 5188, 5516, 8668, 9079, 14267, 15169, 18158, 28534, 30338, 36316, 57068, 60676, 99869, 199738, 255509, 399476, 511018, 1022036, 1788563, 2810599, 3577126, 5621198, 7154252, 11242396, 19674193, 39348386, 78696772]

約数ペア:

[(1, 78696772), (2, 39348386), (4, 19674193), (7, 11242396), (11, 7154252), (14, 5621198), (22, 3577126), (28, 2810599), (44, 1788563), (77, 1022036), (154, 511018), (197, 399476), (308, 255509), (394, 199738), (788, 99869), (1297, 60676), (1379, 57068), (2167, 36316), (2594, 30338), (2758, 28534), (4334, 18158), (5188, 15169), (5516, 14267), (8668, 9079)]