399610336

素因数分解:

$2^5\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{3911}}^1$

素因数の和:4055

約数の個数: 48

約数和(自身を含む): 820205568

約数和(自身を除く): 420595232

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 103, 124, 206, 248, 412, 496, 824, 992, 1648, 3193, 3296, 3911, 6386, 7822, 12772, 15644, 25544, 31288, 51088, 62576, 102176, 121241, 125152, 242482, 402833, 484964, 805666, 969928, 1611332, 1939856, 3222664, 3879712, 6445328, 12487823, 12890656, 24975646, 49951292, 99902584, 199805168, 399610336]

約数ペア:

[(1, 399610336), (2, 199805168), (4, 99902584), (8, 49951292), (16, 24975646), (31, 12890656), (32, 12487823), (62, 6445328), (103, 3879712), (124, 3222664), (206, 1939856), (248, 1611332), (412, 969928), (496, 805666), (824, 484964), (992, 402833), (1648, 242482), (3193, 125152), (3296, 121241), (3911, 102176), (6386, 62576), (7822, 51088), (12772, 31288), (15644, 25544)]