51563772

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{239}}^1\times {\mathrm{461}}^1$

素因数の和:723

約数の個数: 72

約数和(自身を含む): 141261120

約数和(自身を除く): 89697348

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 234, 239, 461, 468, 478, 717, 922, 956, 1383, 1434, 1844, 2151, 2766, 2868, 3107, 4149, 4302, 5532, 5993, 6214, 8298, 8604, 9321, 11986, 12428, 16596, 17979, 18642, 23972, 27963, 35958, 37284, 53937, 55926, 71916, 107874, 110179, 111852, 215748, 220358, 330537, 440716, 661074, 991611, 1322148, 1432327, 1983222, 2864654, 3966444, 4296981, 5729308, 8593962, 12890943, 17187924, 25781886, 51563772]

約数ペア:

[(1, 51563772), (2, 25781886), (3, 17187924), (4, 12890943), (6, 8593962), (9, 5729308), (12, 4296981), (13, 3966444), (18, 2864654), (26, 1983222), (36, 1432327), (39, 1322148), (52, 991611), (78, 661074), (117, 440716), (156, 330537), (234, 220358), (239, 215748), (461, 111852), (468, 110179), (478, 107874), (717, 71916), (922, 55926), (956, 53937), (1383, 37284), (1434, 35958), (1844, 27963), (2151, 23972), (2766, 18642), (2868, 17979), (3107, 16596), (4149, 12428), (4302, 11986), (5532, 9321), (5993, 8604), (6214, 8298)]