400726336

素因数分解:

$2^6\times {\mathrm{31}}^1\times {\mathrm{201979}}^1$

素因数の和:202022

約数の個数: 28

約数和(自身を含む): 820846720

約数和(自身を除く): 420120384

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 248, 496, 992, 1984, 201979, 403958, 807916, 1615832, 3231664, 6261349, 6463328, 12522698, 12926656, 25045396, 50090792, 100181584, 200363168, 400726336]

約数ペア:

[(1, 400726336), (2, 200363168), (4, 100181584), (8, 50090792), (16, 25045396), (31, 12926656), (32, 12522698), (62, 6463328), (64, 6261349), (124, 3231664), (248, 1615832), (496, 807916), (992, 403958), (1984, 201979)]