28217088

素因数分解:

$2^8\times 3^2\times {\mathrm{37}}^1\times {\mathrm{331}}^1$

素因数の和:390

約数の個数: 108

約数和(自身を含む): 83808088

約数和(自身を除く): 55591000

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 37, 48, 64, 72, 74, 96, 111, 128, 144, 148, 192, 222, 256, 288, 296, 331, 333, 384, 444, 576, 592, 662, 666, 768, 888, 993, 1152, 1184, 1324, 1332, 1776, 1986, 2304, 2368, 2648, 2664, 2979, 3552, 3972, 4736, 5296, 5328, 5958, 7104, 7944, 9472, 10592, 10656, 11916, 12247, 14208, 15888, 21184, 21312, 23832, 24494, 28416, 31776, 36741, 42368, 42624, 47664, 48988, 63552, 73482, 84736, 85248, 95328, 97976, 110223, 127104, 146964, 190656, 195952, 220446, 254208, 293928, 381312, 391904, 440892, 587856, 762624, 783808, 881784, 1175712, 1567616, 1763568, 2351424, 3135232, 3527136, 4702848, 7054272, 9405696, 14108544, 28217088]

約数ペア:

[(1, 28217088), (2, 14108544), (3, 9405696), (4, 7054272), (6, 4702848), (8, 3527136), (9, 3135232), (12, 2351424), (16, 1763568), (18, 1567616), (24, 1175712), (32, 881784), (36, 783808), (37, 762624), (48, 587856), (64, 440892), (72, 391904), (74, 381312), (96, 293928), (111, 254208), (128, 220446), (144, 195952), (148, 190656), (192, 146964), (222, 127104), (256, 110223), (288, 97976), (296, 95328), (331, 85248), (333, 84736), (384, 73482), (444, 63552), (576, 48988), (592, 47664), (662, 42624), (666, 42368), (768, 36741), (888, 31776), (993, 28416), (1152, 24494), (1184, 23832), (1324, 21312), (1332, 21184), (1776, 15888), (1986, 14208), (2304, 12247), (2368, 11916), (2648, 10656), (2664, 10592), (2979, 9472), (3552, 7944), (3972, 7104), (4736, 5958), (5296, 5328)]