639990092

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{97}}^1\times {\mathrm{167}}^1$

素因数の和:375

約数の個数: 96

約数和(自身を含む): 1394039808

約数和(自身を除く): 754049716

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 68, 83, 97, 119, 166, 167, 194, 238, 332, 334, 388, 476, 581, 668, 679, 1162, 1169, 1358, 1411, 1649, 2324, 2338, 2716, 2822, 2839, 3298, 4676, 5644, 5678, 6596, 8051, 9877, 11356, 11543, 13861, 16102, 16199, 19754, 19873, 23086, 27722, 32204, 32398, 39508, 39746, 46172, 55444, 56357, 64796, 79492, 97027, 112714, 113393, 136867, 194054, 225428, 226786, 235637, 273734, 275383, 388108, 453572, 471274, 547468, 550766, 942548, 958069, 1101532, 1344517, 1649459, 1916138, 1927681, 2689034, 3298918, 3832276, 3855362, 5378068, 6597836, 7710724, 9411619, 18823238, 22856789, 37646476, 45713578, 91427156, 159997523, 319995046, 639990092]

約数ペア:

[(1, 639990092), (2, 319995046), (4, 159997523), (7, 91427156), (14, 45713578), (17, 37646476), (28, 22856789), (34, 18823238), (68, 9411619), (83, 7710724), (97, 6597836), (119, 5378068), (166, 3855362), (167, 3832276), (194, 3298918), (238, 2689034), (332, 1927681), (334, 1916138), (388, 1649459), (476, 1344517), (581, 1101532), (668, 958069), (679, 942548), (1162, 550766), (1169, 547468), (1358, 471274), (1411, 453572), (1649, 388108), (2324, 275383), (2338, 273734), (2716, 235637), (2822, 226786), (2839, 225428), (3298, 194054), (4676, 136867), (5644, 113393), (5678, 112714), (6596, 97027), (8051, 79492), (9877, 64796), (11356, 56357), (11543, 55444), (13861, 46172), (16102, 39746), (16199, 39508), (19754, 32398), (19873, 32204), (23086, 27722)]