203979008

素因数分解:

$2^8\times {\mathrm{31}}^1\times {\mathrm{25703}}^1$

素因数の和:25750

約数の個数: 36

約数和(自身を含む): 420311808

約数和(自身を除く): 216332800

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 128, 248, 256, 496, 992, 1984, 3968, 7936, 25703, 51406, 102812, 205624, 411248, 796793, 822496, 1593586, 1644992, 3187172, 3289984, 6374344, 6579968, 12748688, 25497376, 50994752, 101989504, 203979008]

約数ペア:

[(1, 203979008), (2, 101989504), (4, 50994752), (8, 25497376), (16, 12748688), (31, 6579968), (32, 6374344), (62, 3289984), (64, 3187172), (124, 1644992), (128, 1593586), (248, 822496), (256, 796793), (496, 411248), (992, 205624), (1984, 102812), (3968, 51406), (7936, 25703)]