1291367525

素因数分解:

$5^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{53}}^2\times {\mathrm{71}}^1$

素因数の和:231

約数の個数: 72

約数和(自身を含む): 1942625664

約数和(自身を除く): 651258139

約数列:

[1, 5, 7, 25, 35, 37, 53, 71, 175, 185, 259, 265, 355, 371, 497, 925, 1295, 1325, 1775, 1855, 1961, 2485, 2627, 2809, 3763, 6475, 9275, 9805, 12425, 13135, 13727, 14045, 18389, 18815, 19663, 26341, 49025, 65675, 68635, 70225, 91945, 94075, 98315, 103933, 131705, 139231, 199439, 343175, 459725, 491575, 519665, 658525, 696155, 727531, 974617, 997195, 1396073, 2598325, 3480775, 3637655, 4873085, 4985975, 6980365, 7379243, 18188275, 24365425, 34901825, 36896215, 51654701, 184481075, 258273505, 1291367525]

約数ペア:

[(1, 1291367525), (5, 258273505), (7, 184481075), (25, 51654701), (35, 36896215), (37, 34901825), (53, 24365425), (71, 18188275), (175, 7379243), (185, 6980365), (259, 4985975), (265, 4873085), (355, 3637655), (371, 3480775), (497, 2598325), (925, 1396073), (1295, 997195), (1325, 974617), (1775, 727531), (1855, 696155), (1961, 658525), (2485, 519665), (2627, 491575), (2809, 459725), (3763, 343175), (6475, 199439), (9275, 139231), (9805, 131705), (12425, 103933), (13135, 98315), (13727, 94075), (14045, 91945), (18389, 70225), (18815, 68635), (19663, 65675), (26341, 49025)]