1687982968

素因数分解:

$2^3\times 7^2\times {\mathrm{71}}^1\times {\mathrm{60649}}^1$

素因数の和:60740

約数の個数: 48

約数和(自身を含む): 3733614000

約数和(自身を除く): 2045631032

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 71, 98, 142, 196, 284, 392, 497, 568, 994, 1988, 3479, 3976, 6958, 13916, 27832, 60649, 121298, 242596, 424543, 485192, 849086, 1698172, 2971801, 3396344, 4306079, 5943602, 8612158, 11887204, 17224316, 23774408, 30142553, 34448632, 60285106, 120570212, 210997871, 241140424, 421995742, 843991484, 1687982968]

約数ペア:

[(1, 1687982968), (2, 843991484), (4, 421995742), (7, 241140424), (8, 210997871), (14, 120570212), (28, 60285106), (49, 34448632), (56, 30142553), (71, 23774408), (98, 17224316), (142, 11887204), (196, 8612158), (284, 5943602), (392, 4306079), (497, 3396344), (568, 2971801), (994, 1698172), (1988, 849086), (3479, 485192), (3976, 424543), (6958, 242596), (13916, 121298), (27832, 60649)]