28389888

素因数分解:

$2^9\times 3^2\times {\mathrm{61}}^1\times {\mathrm{101}}^1$

素因数の和:186

約数の個数: 120

約数和(自身を含む): 84102876

約数和(自身を除く): 55712988

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 61, 64, 72, 96, 101, 122, 128, 144, 183, 192, 202, 244, 256, 288, 303, 366, 384, 404, 488, 512, 549, 576, 606, 732, 768, 808, 909, 976, 1098, 1152, 1212, 1464, 1536, 1616, 1818, 1952, 2196, 2304, 2424, 2928, 3232, 3636, 3904, 4392, 4608, 4848, 5856, 6161, 6464, 7272, 7808, 8784, 9696, 11712, 12322, 12928, 14544, 15616, 17568, 18483, 19392, 23424, 24644, 25856, 29088, 31232, 35136, 36966, 38784, 46848, 49288, 51712, 55449, 58176, 70272, 73932, 77568, 93696, 98576, 110898, 116352, 140544, 147864, 155136, 197152, 221796, 232704, 281088, 295728, 394304, 443592, 465408, 591456, 788608, 887184, 1182912, 1577216, 1774368, 2365824, 3154432, 3548736, 4731648, 7097472, 9463296, 14194944, 28389888]

約数ペア:

[(1, 28389888), (2, 14194944), (3, 9463296), (4, 7097472), (6, 4731648), (8, 3548736), (9, 3154432), (12, 2365824), (16, 1774368), (18, 1577216), (24, 1182912), (32, 887184), (36, 788608), (48, 591456), (61, 465408), (64, 443592), (72, 394304), (96, 295728), (101, 281088), (122, 232704), (128, 221796), (144, 197152), (183, 155136), (192, 147864), (202, 140544), (244, 116352), (256, 110898), (288, 98576), (303, 93696), (366, 77568), (384, 73932), (404, 70272), (488, 58176), (512, 55449), (549, 51712), (576, 49288), (606, 46848), (732, 38784), (768, 36966), (808, 35136), (909, 31232), (976, 29088), (1098, 25856), (1152, 24644), (1212, 23424), (1464, 19392), (1536, 18483), (1616, 17568), (1818, 15616), (1952, 14544), (2196, 12928), (2304, 12322), (2424, 11712), (2928, 9696), (3232, 8784), (3636, 7808), (3904, 7272), (4392, 6464), (4608, 6161), (4848, 5856)]