31873735

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{137}}^1$

素因数の和:271

約数の個数: 32

約数和(自身を含む): 42393600

約数和(自身を除く): 10519865

約数列:

[1, 5, 19, 31, 79, 95, 137, 155, 395, 589, 685, 1501, 2449, 2603, 2945, 4247, 7505, 10823, 12245, 13015, 21235, 46531, 54115, 80693, 205637, 232655, 335513, 403465, 1028185, 1677565, 6374747, 31873735]

約数ペア:

[(1, 31873735), (5, 6374747), (19, 1677565), (31, 1028185), (79, 403465), (95, 335513), (137, 232655), (155, 205637), (395, 80693), (589, 54115), (685, 46531), (1501, 21235), (2449, 13015), (2603, 12245), (2945, 10823), (4247, 7505)]