28193242

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^3\times {\mathrm{17}}^1\times {\mathrm{89}}^1$

素因数の和:148

約数の個数: 64

約数和(自身を含む): 56920320

約数和(自身を除く): 28727078

約数列:

[1, 2, 7, 11, 14, 17, 22, 34, 77, 89, 119, 121, 154, 178, 187, 238, 242, 374, 623, 847, 979, 1246, 1309, 1331, 1513, 1694, 1958, 2057, 2618, 2662, 3026, 4114, 6853, 9317, 10591, 10769, 13706, 14399, 16643, 18634, 21182, 21538, 22627, 28798, 33286, 45254, 75383, 116501, 118459, 150766, 158389, 183073, 233002, 236918, 316778, 366146, 829213, 1281511, 1658426, 2013803, 2563022, 4027606, 14096621, 28193242]

約数ペア:

[(1, 28193242), (2, 14096621), (7, 4027606), (11, 2563022), (14, 2013803), (17, 1658426), (22, 1281511), (34, 829213), (77, 366146), (89, 316778), (119, 236918), (121, 233002), (154, 183073), (178, 158389), (187, 150766), (238, 118459), (242, 116501), (374, 75383), (623, 45254), (847, 33286), (979, 28798), (1246, 22627), (1309, 21538), (1331, 21182), (1513, 18634), (1694, 16643), (1958, 14399), (2057, 13706), (2618, 10769), (2662, 10591), (3026, 9317), (4114, 6853)]