2840994

素因数分解:

$2^1\times 3^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1$

素因数の和:117

約数の個数: 80

約数和(自身を含む): 7318080

約数和(自身を除く): 4477086

約数列:

[1, 2, 3, 6, 9, 13, 18, 19, 26, 27, 38, 39, 54, 57, 71, 78, 81, 114, 117, 142, 162, 171, 213, 234, 247, 342, 351, 426, 494, 513, 639, 702, 741, 923, 1026, 1053, 1278, 1349, 1482, 1539, 1846, 1917, 2106, 2223, 2698, 2769, 3078, 3834, 4047, 4446, 5538, 5751, 6669, 8094, 8307, 11502, 12141, 13338, 16614, 17537, 20007, 24282, 24921, 35074, 36423, 40014, 49842, 52611, 72846, 74763, 105222, 109269, 149526, 157833, 218538, 315666, 473499, 946998, 1420497, 2840994]

約数ペア:

[(1, 2840994), (2, 1420497), (3, 946998), (6, 473499), (9, 315666), (13, 218538), (18, 157833), (19, 149526), (26, 109269), (27, 105222), (38, 74763), (39, 72846), (54, 52611), (57, 49842), (71, 40014), (78, 36423), (81, 35074), (114, 24921), (117, 24282), (142, 20007), (162, 17537), (171, 16614), (213, 13338), (234, 12141), (247, 11502), (342, 8307), (351, 8094), (426, 6669), (494, 5751), (513, 5538), (639, 4446), (702, 4047), (741, 3834), (923, 3078), (1026, 2769), (1053, 2698), (1278, 2223), (1349, 2106), (1482, 1917), (1539, 1846)]