142640988

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{23917}}^1$

素因数の和:24002

約数の個数: 48

約数和(自身を含む): 385749504

約数和(自身を除く): 243108516

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 71, 84, 142, 213, 284, 426, 497, 852, 994, 1491, 1988, 2982, 5964, 23917, 47834, 71751, 95668, 143502, 167419, 287004, 334838, 502257, 669676, 1004514, 1698107, 2009028, 3396214, 5094321, 6792428, 10188642, 11886749, 20377284, 23773498, 35660247, 47546996, 71320494, 142640988]

約数ペア:

[(1, 142640988), (2, 71320494), (3, 47546996), (4, 35660247), (6, 23773498), (7, 20377284), (12, 11886749), (14, 10188642), (21, 6792428), (28, 5094321), (42, 3396214), (71, 2009028), (84, 1698107), (142, 1004514), (213, 669676), (284, 502257), (426, 334838), (497, 287004), (852, 167419), (994, 143502), (1491, 95668), (1988, 71751), (2982, 47834), (5964, 23917)]