488709910

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{28697}}^1$

素因数の和:28848

約数の個数: 32

約数和(自身を含む): 954610272

約数和(自身を除く): 465900362

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 131, 262, 655, 1310, 1703, 3406, 8515, 17030, 28697, 57394, 143485, 286970, 373061, 746122, 1865305, 3730610, 3759307, 7518614, 18796535, 37593070, 48870991, 97741982, 244354955, 488709910]

約数ペア:

[(1, 488709910), (2, 244354955), (5, 97741982), (10, 48870991), (13, 37593070), (26, 18796535), (65, 7518614), (130, 3759307), (131, 3730610), (262, 1865305), (655, 746122), (1310, 373061), (1703, 286970), (3406, 143485), (8515, 57394), (17030, 28697)]