28333370

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{11471}}^1$

素因数の和:11510

約数の個数: 32

約数和(自身を含む): 57818880

約数和(自身を除く): 29485510

約数列:

[1, 2, 5, 10, 13, 19, 26, 38, 65, 95, 130, 190, 247, 494, 1235, 2470, 11471, 22942, 57355, 114710, 149123, 217949, 298246, 435898, 745615, 1089745, 1491230, 2179490, 2833337, 5666674, 14166685, 28333370]

約数ペア:

[(1, 28333370), (2, 14166685), (5, 5666674), (10, 2833337), (13, 2179490), (19, 1491230), (26, 1089745), (38, 745615), (65, 435898), (95, 298246), (130, 217949), (190, 149123), (247, 114710), (494, 57355), (1235, 22942), (2470, 11471)]