16421610465

素因数分解:

$3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{157}}^1\times {\mathrm{557}}^1$

素因数の和:848

約数の個数: 128

約数和(自身を含む): 31992952320

約数和(自身を除く): 15571341855

約数列:

[1, 3, 5, 9, 13, 15, 27, 39, 45, 65, 107, 117, 135, 157, 195, 321, 351, 471, 535, 557, 585, 785, 963, 1391, 1413, 1605, 1671, 1755, 2041, 2355, 2785, 2889, 4173, 4239, 4815, 5013, 6123, 6955, 7065, 7241, 8355, 10205, 12519, 14445, 15039, 16799, 18369, 20865, 21195, 21723, 25065, 30615, 36205, 37557, 50397, 55107, 59599, 62595, 65169, 75195, 83995, 87449, 91845, 108615, 151191, 178797, 187785, 195507, 218387, 251985, 262347, 275535, 297995, 325845, 437245, 453573, 536391, 655161, 755955, 774787, 787041, 893985, 977535, 1091935, 1136837, 1311735, 1609173, 1965483, 2267865, 2324361, 2361123, 2681955, 3275805, 3410511, 3873935, 3935205, 5684185, 5896449, 6973083, 8045865, 9357043, 9827415, 10231533, 11621805, 11805615, 17052555, 20919249, 28071129, 29482245, 30694599, 34865415, 46785215, 51157665, 84213387, 104596245, 121641559, 140355645, 153472995, 252640161, 364924677, 421066935, 608207795, 1094774031, 1263200805, 1824623385, 3284322093, 5473870155, 16421610465]

約数ペア:

[(1, 16421610465), (3, 5473870155), (5, 3284322093), (9, 1824623385), (13, 1263200805), (15, 1094774031), (27, 608207795), (39, 421066935), (45, 364924677), (65, 252640161), (107, 153472995), (117, 140355645), (135, 121641559), (157, 104596245), (195, 84213387), (321, 51157665), (351, 46785215), (471, 34865415), (535, 30694599), (557, 29482245), (585, 28071129), (785, 20919249), (963, 17052555), (1391, 11805615), (1413, 11621805), (1605, 10231533), (1671, 9827415), (1755, 9357043), (2041, 8045865), (2355, 6973083), (2785, 5896449), (2889, 5684185), (4173, 3935205), (4239, 3873935), (4815, 3410511), (5013, 3275805), (6123, 2681955), (6955, 2361123), (7065, 2324361), (7241, 2267865), (8355, 1965483), (10205, 1609173), (12519, 1311735), (14445, 1136837), (15039, 1091935), (16799, 977535), (18369, 893985), (20865, 787041), (21195, 774787), (21723, 755955), (25065, 655161), (30615, 536391), (36205, 453573), (37557, 437245), (50397, 325845), (55107, 297995), (59599, 275535), (62595, 262347), (65169, 251985), (75195, 218387), (83995, 195507), (87449, 187785), (91845, 178797), (108615, 151191)]