2015406

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{83}}^1$

素因数の和:181

約数の個数: 48

約数和(自身を含む): 4717440

約数和(自身を除く): 2702034

約数列:

[1, 2, 3, 6, 9, 18, 19, 38, 57, 71, 83, 114, 142, 166, 171, 213, 249, 342, 426, 498, 639, 747, 1278, 1349, 1494, 1577, 2698, 3154, 4047, 4731, 5893, 8094, 9462, 11786, 12141, 14193, 17679, 24282, 28386, 35358, 53037, 106074, 111967, 223934, 335901, 671802, 1007703, 2015406]

約数ペア:

[(1, 2015406), (2, 1007703), (3, 671802), (6, 335901), (9, 223934), (18, 111967), (19, 106074), (38, 53037), (57, 35358), (71, 28386), (83, 24282), (114, 17679), (142, 14193), (166, 12141), (171, 11786), (213, 9462), (249, 8094), (342, 5893), (426, 4731), (498, 4047), (639, 3154), (747, 2698), (1278, 1577), (1349, 1494)]