213211264

素因数分解:

$2^7\times 7^1\times {\mathrm{237959}}^1$

素因数の和:237980

約数の個数: 32

約数和(自身を含む): 485438400

約数和(自身を除く): 272227136

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 448, 896, 237959, 475918, 951836, 1665713, 1903672, 3331426, 3807344, 6662852, 7614688, 13325704, 15229376, 26651408, 30458752, 53302816, 106605632, 213211264]

約数ペア:

[(1, 213211264), (2, 106605632), (4, 53302816), (7, 30458752), (8, 26651408), (14, 15229376), (16, 13325704), (28, 7614688), (32, 6662852), (56, 3807344), (64, 3331426), (112, 1903672), (128, 1665713), (224, 951836), (448, 475918), (896, 237959)]