197100290

素因数分解:

$2^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{221461}}^1$

素因数の和:221557

約数の個数: 16

約数和(自身を含む): 358768440

約数和(自身を除く): 161668150

約数列:

[1, 2, 5, 10, 89, 178, 445, 890, 221461, 442922, 1107305, 2214610, 19710029, 39420058, 98550145, 197100290]

約数ペア:

[(1, 197100290), (2, 98550145), (5, 39420058), (10, 19710029), (89, 2214610), (178, 1107305), (445, 442922), (890, 221461)]