72671333

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{97}}^1\times {\mathrm{131}}^1$

素因数の和:297

約数の個数: 32

約数和(自身を含む): 91069440

約数和(自身を除く): 18398107

約数列:

[1, 7, 19, 43, 97, 131, 133, 301, 679, 817, 917, 1843, 2489, 4171, 5633, 5719, 12707, 12901, 17423, 29197, 39431, 79249, 88949, 107027, 241433, 546401, 554743, 749189, 1690031, 3824807, 10381619, 72671333]

約数ペア:

[(1, 72671333), (7, 10381619), (19, 3824807), (43, 1690031), (97, 749189), (131, 554743), (133, 546401), (301, 241433), (679, 107027), (817, 88949), (917, 79249), (1843, 39431), (2489, 29197), (4171, 17423), (5633, 12901), (5719, 12707)]