289905876

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{32603}}^1$

素因数の和:32645

約数の個数: 72

約数和(自身を含む): 830749920

約数和(自身を除く): 540844044

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 19, 26, 36, 38, 39, 52, 57, 76, 78, 114, 117, 156, 171, 228, 234, 247, 342, 468, 494, 684, 741, 988, 1482, 2223, 2964, 4446, 8892, 32603, 65206, 97809, 130412, 195618, 293427, 391236, 423839, 586854, 619457, 847678, 1173708, 1238914, 1271517, 1695356, 1858371, 2477828, 2543034, 3716742, 3814551, 5086068, 5575113, 7433484, 7629102, 8052941, 11150226, 15258204, 16105882, 22300452, 24158823, 32211764, 48317646, 72476469, 96635292, 144952938, 289905876]

約数ペア:

[(1, 289905876), (2, 144952938), (3, 96635292), (4, 72476469), (6, 48317646), (9, 32211764), (12, 24158823), (13, 22300452), (18, 16105882), (19, 15258204), (26, 11150226), (36, 8052941), (38, 7629102), (39, 7433484), (52, 5575113), (57, 5086068), (76, 3814551), (78, 3716742), (114, 2543034), (117, 2477828), (156, 1858371), (171, 1695356), (228, 1271517), (234, 1238914), (247, 1173708), (342, 847678), (468, 619457), (494, 586854), (684, 423839), (741, 391236), (988, 293427), (1482, 195618), (2223, 130412), (2964, 97809), (4446, 65206), (8892, 32603)]