31901015

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{151}}^1$

素因数の和:263

約数の個数: 32

約数和(自身を含む): 42024960

約数和(自身を除く): 10123945

約数列:

[1, 5, 29, 31, 47, 145, 151, 155, 235, 755, 899, 1363, 1457, 4379, 4495, 4681, 6815, 7097, 7285, 21895, 23405, 35485, 42253, 135749, 205813, 211265, 220007, 678745, 1029065, 1100035, 6380203, 31901015]

約数ペア:

[(1, 31901015), (5, 6380203), (29, 1100035), (31, 1029065), (47, 678745), (145, 220007), (151, 211265), (155, 205813), (235, 135749), (755, 42253), (899, 35485), (1363, 23405), (1457, 21895), (4379, 7285), (4495, 7097), (4681, 6815)]