28031904

素因数分解:

$2^5\times 3^2\times {\mathrm{131}}^1\times {\mathrm{743}}^1$

素因数の和:890

約数の個数: 72

約数和(自身を含む): 80432352

約数和(自身を除く): 52400448

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 131, 144, 262, 288, 393, 524, 743, 786, 1048, 1179, 1486, 1572, 2096, 2229, 2358, 2972, 3144, 4192, 4458, 4716, 5944, 6288, 6687, 8916, 9432, 11888, 12576, 13374, 17832, 18864, 23776, 26748, 35664, 37728, 53496, 71328, 97333, 106992, 194666, 213984, 291999, 389332, 583998, 778664, 875997, 1167996, 1557328, 1751994, 2335992, 3114656, 3503988, 4671984, 7007976, 9343968, 14015952, 28031904]

約数ペア:

[(1, 28031904), (2, 14015952), (3, 9343968), (4, 7007976), (6, 4671984), (8, 3503988), (9, 3114656), (12, 2335992), (16, 1751994), (18, 1557328), (24, 1167996), (32, 875997), (36, 778664), (48, 583998), (72, 389332), (96, 291999), (131, 213984), (144, 194666), (262, 106992), (288, 97333), (393, 71328), (524, 53496), (743, 37728), (786, 35664), (1048, 26748), (1179, 23776), (1486, 18864), (1572, 17832), (2096, 13374), (2229, 12576), (2358, 11888), (2972, 9432), (3144, 8916), (4192, 6687), (4458, 6288), (4716, 5944)]