153985405

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{257}}^1$

素因数の和:358

約数の個数: 64

約数和(自身を含む): 240744960

約数和(自身を除く): 86759555

約数列:

[1, 5, 7, 17, 19, 35, 53, 85, 95, 119, 133, 257, 265, 323, 371, 595, 665, 901, 1007, 1285, 1615, 1799, 1855, 2261, 4369, 4505, 4883, 5035, 6307, 7049, 8995, 11305, 13621, 17119, 21845, 24415, 30583, 31535, 34181, 35245, 68105, 83011, 85595, 95347, 119833, 152915, 170905, 231557, 258799, 415055, 476735, 581077, 599165, 1157785, 1293995, 1620899, 1811593, 2905385, 4399583, 8104495, 9057965, 21997915, 30797081, 153985405]

約数ペア:

[(1, 153985405), (5, 30797081), (7, 21997915), (17, 9057965), (19, 8104495), (35, 4399583), (53, 2905385), (85, 1811593), (95, 1620899), (119, 1293995), (133, 1157785), (257, 599165), (265, 581077), (323, 476735), (371, 415055), (595, 258799), (665, 231557), (901, 170905), (1007, 152915), (1285, 119833), (1615, 95347), (1799, 85595), (1855, 83011), (2261, 68105), (4369, 35245), (4505, 34181), (4883, 31535), (5035, 30583), (6307, 24415), (7049, 21845), (8995, 17119), (11305, 13621)]