77831425

素因数分解:

$5^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{317}}^1$

素因数の和:418

約数の個数: 48

約数和(自身を含む): 117349632

約数和(自身を除く): 39518207

約数列:

[1, 5, 7, 23, 25, 35, 61, 115, 161, 175, 305, 317, 427, 575, 805, 1403, 1525, 1585, 2135, 2219, 4025, 7015, 7291, 7925, 9821, 10675, 11095, 19337, 35075, 36455, 49105, 51037, 55475, 96685, 135359, 182275, 245525, 255185, 444751, 483425, 676795, 1275925, 2223755, 3113257, 3383975, 11118775, 15566285, 77831425]

約数ペア:

[(1, 77831425), (5, 15566285), (7, 11118775), (23, 3383975), (25, 3113257), (35, 2223755), (61, 1275925), (115, 676795), (161, 483425), (175, 444751), (305, 255185), (317, 245525), (427, 182275), (575, 135359), (805, 96685), (1403, 55475), (1525, 51037), (1585, 49105), (2135, 36455), (2219, 35075), (4025, 19337), (7015, 11095), (7291, 10675), (7925, 9821)]