28383810

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{281}}^1$

素因数の和:348

約数の個数: 128

約数和(自身を含む): 86413824

約数和(自身を除く): 58030014

約数列:

[1, 2, 3, 5, 6, 7, 10, 13, 14, 15, 21, 26, 30, 35, 37, 39, 42, 65, 70, 74, 78, 91, 105, 111, 130, 182, 185, 195, 210, 222, 259, 273, 281, 370, 390, 455, 481, 518, 546, 555, 562, 777, 843, 910, 962, 1110, 1295, 1365, 1405, 1443, 1554, 1686, 1967, 2405, 2590, 2730, 2810, 2886, 3367, 3653, 3885, 3934, 4215, 4810, 5901, 6734, 7215, 7306, 7770, 8430, 9835, 10101, 10397, 10959, 11802, 14430, 16835, 18265, 19670, 20202, 20794, 21918, 25571, 29505, 31191, 33670, 36530, 50505, 51142, 51985, 54795, 59010, 62382, 72779, 76713, 101010, 103970, 109590, 127855, 135161, 145558, 153426, 155955, 218337, 255710, 270322, 311910, 363895, 383565, 405483, 436674, 675805, 727790, 767130, 810966, 946127, 1091685, 1351610, 1892254, 2027415, 2183370, 2838381, 4054830, 4730635, 5676762, 9461270, 14191905, 28383810]

約数ペア:

[(1, 28383810), (2, 14191905), (3, 9461270), (5, 5676762), (6, 4730635), (7, 4054830), (10, 2838381), (13, 2183370), (14, 2027415), (15, 1892254), (21, 1351610), (26, 1091685), (30, 946127), (35, 810966), (37, 767130), (39, 727790), (42, 675805), (65, 436674), (70, 405483), (74, 383565), (78, 363895), (91, 311910), (105, 270322), (111, 255710), (130, 218337), (182, 155955), (185, 153426), (195, 145558), (210, 135161), (222, 127855), (259, 109590), (273, 103970), (281, 101010), (370, 76713), (390, 72779), (455, 62382), (481, 59010), (518, 54795), (546, 51985), (555, 51142), (562, 50505), (777, 36530), (843, 33670), (910, 31191), (962, 29505), (1110, 25571), (1295, 21918), (1365, 20794), (1405, 20202), (1443, 19670), (1554, 18265), (1686, 16835), (1967, 14430), (2405, 11802), (2590, 10959), (2730, 10397), (2810, 10101), (2886, 9835), (3367, 8430), (3653, 7770), (3885, 7306), (3934, 7215), (4215, 6734), (4810, 5901)]