131490988

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{131}}^1\times {\mathrm{509}}^1$

素因数の和:690

約数の個数: 48

約数和(自身を含む): 254469600

約数和(自身を除く): 122978612

約数列:

[1, 2, 4, 17, 29, 34, 58, 68, 116, 131, 262, 493, 509, 524, 986, 1018, 1972, 2036, 2227, 3799, 4454, 7598, 8653, 8908, 14761, 15196, 17306, 29522, 34612, 59044, 64583, 66679, 129166, 133358, 250937, 258332, 266716, 501874, 1003748, 1133543, 1933691, 2267086, 3867382, 4534172, 7734764, 32872747, 65745494, 131490988]

約数ペア:

[(1, 131490988), (2, 65745494), (4, 32872747), (17, 7734764), (29, 4534172), (34, 3867382), (58, 2267086), (68, 1933691), (116, 1133543), (131, 1003748), (262, 501874), (493, 266716), (509, 258332), (524, 250937), (986, 133358), (1018, 129166), (1972, 66679), (2036, 64583), (2227, 59044), (3799, 34612), (4454, 29522), (7598, 17306), (8653, 15196), (8908, 14761)]