217404145

素因数分解:

$5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{233}}^1\times {\mathrm{503}}^1$

素因数の和:801

約数の個数: 32

約数和(自身を含む): 305690112

約数和(自身を除く): 88285967

約数列:

[1, 5, 7, 35, 53, 233, 265, 371, 503, 1165, 1631, 1855, 2515, 3521, 8155, 12349, 17605, 26659, 61745, 86443, 117199, 133295, 186613, 432215, 585995, 820393, 933065, 4101965, 6211547, 31057735, 43480829, 217404145]

約数ペア:

[(1, 217404145), (5, 43480829), (7, 31057735), (35, 6211547), (53, 4101965), (233, 933065), (265, 820393), (371, 585995), (503, 432215), (1165, 186613), (1631, 133295), (1855, 117199), (2515, 86443), (3521, 61745), (8155, 26659), (12349, 17605)]