17967508975

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{47}}^2\times {\mathrm{863}}^1$

素因数の和:1009

約数の個数: 72

約数和(自身を含む): 25389624960

約数和(自身を除く): 7422115985

約数列:

[1, 5, 13, 25, 29, 47, 65, 145, 235, 325, 377, 611, 725, 863, 1175, 1363, 1885, 2209, 3055, 4315, 6815, 9425, 11045, 11219, 15275, 17719, 21575, 25027, 28717, 34075, 40561, 55225, 56095, 64061, 88595, 125135, 143585, 202805, 280475, 320305, 325351, 442975, 527293, 625675, 717925, 832793, 1014025, 1176269, 1601525, 1626755, 1906367, 2636465, 4163965, 5881345, 8133775, 9531835, 13182325, 15291497, 20819825, 24782771, 29406725, 47659175, 55284643, 76457485, 123913855, 276423215, 382287425, 619569275, 718700359, 1382116075, 3593501795, 17967508975]

約数ペア:

[(1, 17967508975), (5, 3593501795), (13, 1382116075), (25, 718700359), (29, 619569275), (47, 382287425), (65, 276423215), (145, 123913855), (235, 76457485), (325, 55284643), (377, 47659175), (611, 29406725), (725, 24782771), (863, 20819825), (1175, 15291497), (1363, 13182325), (1885, 9531835), (2209, 8133775), (3055, 5881345), (4315, 4163965), (6815, 2636465), (9425, 1906367), (11045, 1626755), (11219, 1601525), (15275, 1176269), (17719, 1014025), (21575, 832793), (25027, 717925), (28717, 625675), (34075, 527293), (40561, 442975), (55225, 325351), (56095, 320305), (64061, 280475), (88595, 202805), (125135, 143585)]