318217648

素因数分解:

$2^4\times 7^1\times {\mathrm{157}}^1\times {\mathrm{18097}}^1$

素因数の和:18269

約数の個数: 40

約数和(自身を含む): 709152032

約数和(自身を除く): 390934384

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 157, 314, 628, 1099, 1256, 2198, 2512, 4396, 8792, 17584, 18097, 36194, 72388, 126679, 144776, 253358, 289552, 506716, 1013432, 2026864, 2841229, 5682458, 11364916, 19888603, 22729832, 39777206, 45459664, 79554412, 159108824, 318217648]

約数ペア:

[(1, 318217648), (2, 159108824), (4, 79554412), (7, 45459664), (8, 39777206), (14, 22729832), (16, 19888603), (28, 11364916), (56, 5682458), (112, 2841229), (157, 2026864), (314, 1013432), (628, 506716), (1099, 289552), (1256, 253358), (2198, 144776), (2512, 126679), (4396, 72388), (8792, 36194), (17584, 18097)]