681904

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{109}}^1$

素因数の和:157

約数の個数: 40

約数和(自身を含む): 1473120

約数和(自身を除く): 791216

約数列:

[1, 2, 4, 8, 16, 17, 23, 34, 46, 68, 92, 109, 136, 184, 218, 272, 368, 391, 436, 782, 872, 1564, 1744, 1853, 2507, 3128, 3706, 5014, 6256, 7412, 10028, 14824, 20056, 29648, 40112, 42619, 85238, 170476, 340952, 681904]

約数ペア:

[(1, 681904), (2, 340952), (4, 170476), (8, 85238), (16, 42619), (17, 40112), (23, 29648), (34, 20056), (46, 14824), (68, 10028), (92, 7412), (109, 6256), (136, 5014), (184, 3706), (218, 3128), (272, 2507), (368, 1853), (391, 1744), (436, 1564), (782, 872)]