291240764

素因数分解:

$2^2\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{149}}^1\times {\mathrm{281}}^1$

素因数の和:518

約数の個数: 48

約数和(自身を含む): 540086400

約数和(自身を除く): 248845636

約数列:

[1, 2, 4, 37, 47, 74, 94, 148, 149, 188, 281, 298, 562, 596, 1124, 1739, 3478, 5513, 6956, 7003, 10397, 11026, 13207, 14006, 20794, 22052, 26414, 28012, 41588, 41869, 52828, 83738, 167476, 259111, 488659, 518222, 977318, 1036444, 1549153, 1954636, 1967843, 3098306, 3935686, 6196612, 7871372, 72810191, 145620382, 291240764]

約数ペア:

[(1, 291240764), (2, 145620382), (4, 72810191), (37, 7871372), (47, 6196612), (74, 3935686), (94, 3098306), (148, 1967843), (149, 1954636), (188, 1549153), (281, 1036444), (298, 977318), (562, 518222), (596, 488659), (1124, 259111), (1739, 167476), (3478, 83738), (5513, 52828), (6956, 41869), (7003, 41588), (10397, 28012), (11026, 26414), (13207, 22052), (14006, 20794)]