1904702930

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{472631}}^1$

素因数の和:472682

約数の個数: 32

約数和(自身を含む): 3811304448

約数和(自身を除く): 1906601518

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 310, 403, 806, 2015, 4030, 472631, 945262, 2363155, 4726310, 6144203, 12288406, 14651561, 29303122, 30721015, 61442030, 73257805, 146515610, 190470293, 380940586, 952351465, 1904702930]

約数ペア:

[(1, 1904702930), (2, 952351465), (5, 380940586), (10, 190470293), (13, 146515610), (26, 73257805), (31, 61442030), (62, 30721015), (65, 29303122), (130, 14651561), (155, 12288406), (310, 6144203), (403, 4726310), (806, 2363155), (2015, 945262), (4030, 472631)]