266215848964

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{421}}^1\times {\mathrm{661}}^1\times {\mathrm{18397}}^1$

素因数の和:19496

約数の個数: 48

約数和(自身を含む): 503694409456

約数和(自身を除く): 237478560492

約数列:

[1, 2, 4, 13, 26, 52, 421, 661, 842, 1322, 1684, 2644, 5473, 8593, 10946, 17186, 18397, 21892, 34372, 36794, 73588, 239161, 278281, 478322, 556562, 956644, 1113124, 3617653, 7235306, 7745137, 12160417, 14470612, 15490274, 24320834, 30980548, 48641668, 100686781, 158085421, 201373562, 316170842, 402747124, 632341684, 5119535557, 10239071114, 20478142228, 66553962241, 133107924482, 266215848964]

約数ペア:

[(1, 266215848964), (2, 133107924482), (4, 66553962241), (13, 20478142228), (26, 10239071114), (52, 5119535557), (421, 632341684), (661, 402747124), (842, 316170842), (1322, 201373562), (1684, 158085421), (2644, 100686781), (5473, 48641668), (8593, 30980548), (10946, 24320834), (17186, 15490274), (18397, 14470612), (21892, 12160417), (34372, 7745137), (36794, 7235306), (73588, 3617653), (239161, 1113124), (278281, 956644), (478322, 556562)]