201228688

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{405703}}^1$

素因数の和:405742

約数の個数: 20

約数和(自身を含む): 402458368

約数和(自身を除く): 201229680

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 405703, 811406, 1622812, 3245624, 6491248, 12576793, 25153586, 50307172, 100614344, 201228688]

約数ペア:

[(1, 201228688), (2, 100614344), (4, 50307172), (8, 25153586), (16, 12576793), (31, 6491248), (62, 3245624), (124, 1622812), (248, 811406), (496, 405703)]