71220208

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{13781}}^1$

素因数の和:13825

約数の個数: 40

約数和(自身を含む): 153807120

約数和(自身を除く): 82586912

約数列:

[1, 2, 4, 8, 16, 17, 19, 34, 38, 68, 76, 136, 152, 272, 304, 323, 646, 1292, 2584, 5168, 13781, 27562, 55124, 110248, 220496, 234277, 261839, 468554, 523678, 937108, 1047356, 1874216, 2094712, 3748432, 4189424, 4451263, 8902526, 17805052, 35610104, 71220208]

約数ペア:

[(1, 71220208), (2, 35610104), (4, 17805052), (8, 8902526), (16, 4451263), (17, 4189424), (19, 3748432), (34, 2094712), (38, 1874216), (68, 1047356), (76, 937108), (136, 523678), (152, 468554), (272, 261839), (304, 234277), (323, 220496), (646, 110248), (1292, 55124), (2584, 27562), (5168, 13781)]