164172996

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{499}}^1$

素因数の和:578

約数の個数: 144

約数和(自身を含む): 484120000

約数和(自身を除く): 319947004

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 19, 26, 36, 37, 38, 39, 52, 57, 74, 76, 78, 111, 114, 117, 148, 156, 171, 222, 228, 234, 247, 333, 342, 444, 468, 481, 494, 499, 666, 684, 703, 741, 962, 988, 998, 1332, 1406, 1443, 1482, 1497, 1924, 1996, 2109, 2223, 2812, 2886, 2964, 2994, 4218, 4329, 4446, 4491, 5772, 5988, 6327, 6487, 8436, 8658, 8892, 8982, 9139, 9481, 12654, 12974, 17316, 17964, 18278, 18463, 18962, 19461, 25308, 25948, 27417, 28443, 36556, 36926, 37924, 38922, 54834, 55389, 56886, 58383, 73852, 77844, 82251, 85329, 109668, 110778, 113772, 116766, 123253, 164502, 166167, 170658, 221556, 233532, 240019, 246506, 329004, 332334, 341316, 350797, 369759, 480038, 493012, 664668, 701594, 720057, 739518, 960076, 1052391, 1109277, 1403188, 1440114, 1479036, 2104782, 2160171, 2218554, 2880228, 3157173, 4209564, 4320342, 4437108, 4560361, 6314346, 8640684, 9120722, 12628692, 13681083, 18241444, 27362166, 41043249, 54724332, 82086498, 164172996]

約数ペア:

[(1, 164172996), (2, 82086498), (3, 54724332), (4, 41043249), (6, 27362166), (9, 18241444), (12, 13681083), (13, 12628692), (18, 9120722), (19, 8640684), (26, 6314346), (36, 4560361), (37, 4437108), (38, 4320342), (39, 4209564), (52, 3157173), (57, 2880228), (74, 2218554), (76, 2160171), (78, 2104782), (111, 1479036), (114, 1440114), (117, 1403188), (148, 1109277), (156, 1052391), (171, 960076), (222, 739518), (228, 720057), (234, 701594), (247, 664668), (333, 493012), (342, 480038), (444, 369759), (468, 350797), (481, 341316), (494, 332334), (499, 329004), (666, 246506), (684, 240019), (703, 233532), (741, 221556), (962, 170658), (988, 166167), (998, 164502), (1332, 123253), (1406, 116766), (1443, 113772), (1482, 110778), (1497, 109668), (1924, 85329), (1996, 82251), (2109, 77844), (2223, 73852), (2812, 58383), (2886, 56886), (2964, 55389), (2994, 54834), (4218, 38922), (4329, 37924), (4446, 36926), (4491, 36556), (5772, 28443), (5988, 27417), (6327, 25948), (6487, 25308), (8436, 19461), (8658, 18962), (8892, 18463), (8982, 18278), (9139, 17964), (9481, 17316), (12654, 12974)]