209720704

素因数分解:

$2^7\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{3109}}^1$

素因数の和:3171

約数の個数: 64

約数和(自身を含む): 456796800

約数和(自身を除く): 247076096

約数列:

[1, 2, 4, 8, 16, 17, 31, 32, 34, 62, 64, 68, 124, 128, 136, 248, 272, 496, 527, 544, 992, 1054, 1088, 1984, 2108, 2176, 3109, 3968, 4216, 6218, 8432, 12436, 16864, 24872, 33728, 49744, 52853, 67456, 96379, 99488, 105706, 192758, 198976, 211412, 385516, 397952, 422824, 771032, 845648, 1542064, 1638443, 1691296, 3084128, 3276886, 3382592, 6168256, 6553772, 6765184, 12336512, 13107544, 26215088, 52430176, 104860352, 209720704]

約数ペア:

[(1, 209720704), (2, 104860352), (4, 52430176), (8, 26215088), (16, 13107544), (17, 12336512), (31, 6765184), (32, 6553772), (34, 6168256), (62, 3382592), (64, 3276886), (68, 3084128), (124, 1691296), (128, 1638443), (136, 1542064), (248, 845648), (272, 771032), (496, 422824), (527, 397952), (544, 385516), (992, 211412), (1054, 198976), (1088, 192758), (1984, 105706), (2108, 99488), (2176, 96379), (3109, 67456), (3968, 52853), (4216, 49744), (6218, 33728), (8432, 24872), (12436, 16864)]