156798215

素因数分解:

$5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{241}}^1\times {\mathrm{641}}^1$

素因数の和:923

約数の個数: 32

約数和(自身を含む): 223724160

約数和(自身を除く): 66925945

約数列:

[1, 5, 7, 29, 35, 145, 203, 241, 641, 1015, 1205, 1687, 3205, 4487, 6989, 8435, 18589, 22435, 34945, 48923, 92945, 130123, 154481, 244615, 650615, 772405, 1081367, 4479949, 5406835, 22399745, 31359643, 156798215]

約数ペア:

[(1, 156798215), (5, 31359643), (7, 22399745), (29, 5406835), (35, 4479949), (145, 1081367), (203, 772405), (241, 650615), (641, 244615), (1015, 154481), (1205, 130123), (1687, 92945), (3205, 48923), (4487, 34945), (6989, 22435), (8435, 18589)]