97989890

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{4787}}^1$

素因数の和:4906

約数の個数: 32

約数和(自身を含む): 186157440

約数和(自身を除く): 88167550

約数列:

[1, 2, 5, 10, 23, 46, 89, 115, 178, 230, 445, 890, 2047, 4094, 4787, 9574, 10235, 20470, 23935, 47870, 110101, 220202, 426043, 550505, 852086, 1101010, 2130215, 4260430, 9798989, 19597978, 48994945, 97989890]

約数ペア:

[(1, 97989890), (2, 48994945), (5, 19597978), (10, 9798989), (23, 4260430), (46, 2130215), (89, 1101010), (115, 852086), (178, 550505), (230, 426043), (445, 220202), (890, 110101), (2047, 47870), (4094, 23935), (4787, 20470), (9574, 10235)]