247331356

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{107}}^1\times {\mathrm{151}}^1$

素因数の和:394

約数の個数: 48

約数和(自身を含む): 455051520

約数和(自身を除く): 207720164

約数列:

[1, 2, 4, 43, 86, 89, 107, 151, 172, 178, 214, 302, 356, 428, 604, 3827, 4601, 6493, 7654, 9202, 9523, 12986, 13439, 15308, 16157, 18404, 19046, 25972, 26878, 32314, 38092, 53756, 64628, 409489, 577877, 694751, 818978, 1155754, 1389502, 1437973, 1637956, 2311508, 2779004, 2875946, 5751892, 61832839, 123665678, 247331356]

約数ペア:

[(1, 247331356), (2, 123665678), (4, 61832839), (43, 5751892), (86, 2875946), (89, 2779004), (107, 2311508), (151, 1637956), (172, 1437973), (178, 1389502), (214, 1155754), (302, 818978), (356, 694751), (428, 577877), (604, 409489), (3827, 64628), (4601, 53756), (6493, 38092), (7654, 32314), (9202, 26878), (9523, 25972), (12986, 19046), (13439, 18404), (15308, 16157)]