400279327

素因数分解:

$7^1\times {\mathrm{19}}^2\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{97}}^1$

素因数の和:236

約数の個数: 48

約数和(自身を含む): 516160512

約数和(自身を除く): 115881185

約数列:

[1, 7, 19, 23, 71, 97, 133, 161, 361, 437, 497, 679, 1349, 1633, 1843, 2231, 2527, 3059, 6887, 8303, 9443, 11431, 12901, 15617, 25631, 31027, 35017, 42389, 48209, 58121, 130853, 158401, 179417, 217189, 245119, 296723, 589513, 805391, 915971, 1108807, 2486207, 3009619, 4126591, 5637737, 17403449, 21067333, 57182761, 400279327]

約数ペア:

[(1, 400279327), (7, 57182761), (19, 21067333), (23, 17403449), (71, 5637737), (97, 4126591), (133, 3009619), (161, 2486207), (361, 1108807), (437, 915971), (497, 805391), (679, 589513), (1349, 296723), (1633, 245119), (1843, 217189), (2231, 179417), (2527, 158401), (3059, 130853), (6887, 58121), (8303, 48209), (9443, 42389), (11431, 35017), (12901, 31027), (15617, 25631)]