28001512

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{347}}^1$

素因数の和:502

約数の個数: 64

約数和(自身を含む): 66147840

約数和(自身を除く): 38146328

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 44, 56, 77, 88, 131, 154, 262, 308, 347, 524, 616, 694, 917, 1048, 1388, 1441, 1834, 2429, 2776, 2882, 3668, 3817, 4858, 5764, 7336, 7634, 9716, 10087, 11528, 15268, 19432, 20174, 26719, 30536, 40348, 45457, 53438, 80696, 90914, 106876, 181828, 213752, 318199, 363656, 500027, 636398, 1000054, 1272796, 2000108, 2545592, 3500189, 4000216, 7000378, 14000756, 28001512]

約数ペア:

[(1, 28001512), (2, 14000756), (4, 7000378), (7, 4000216), (8, 3500189), (11, 2545592), (14, 2000108), (22, 1272796), (28, 1000054), (44, 636398), (56, 500027), (77, 363656), (88, 318199), (131, 213752), (154, 181828), (262, 106876), (308, 90914), (347, 80696), (524, 53438), (616, 45457), (694, 40348), (917, 30536), (1048, 26719), (1388, 20174), (1441, 19432), (1834, 15268), (2429, 11528), (2776, 10087), (2882, 9716), (3668, 7634), (3817, 7336), (4858, 5764)]