256605408

素因数分解:

$2^5\times 3^4\times {\mathrm{98999}}^1$

素因数の和:99021

約数の個数: 60

約数和(自身を含む): 754677000

約数和(自身を除く): 498071592

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 72, 81, 96, 108, 144, 162, 216, 288, 324, 432, 648, 864, 1296, 2592, 98999, 197998, 296997, 395996, 593994, 791992, 890991, 1187988, 1583984, 1781982, 2375976, 2672973, 3167968, 3563964, 4751952, 5345946, 7127928, 8018919, 9503904, 10691892, 14255856, 16037838, 21383784, 28511712, 32075676, 42767568, 64151352, 85535136, 128302704, 256605408]

約数ペア:

[(1, 256605408), (2, 128302704), (3, 85535136), (4, 64151352), (6, 42767568), (8, 32075676), (9, 28511712), (12, 21383784), (16, 16037838), (18, 14255856), (24, 10691892), (27, 9503904), (32, 8018919), (36, 7127928), (48, 5345946), (54, 4751952), (72, 3563964), (81, 3167968), (96, 2672973), (108, 2375976), (144, 1781982), (162, 1583984), (216, 1187988), (288, 890991), (324, 791992), (432, 593994), (648, 395996), (864, 296997), (1296, 197998), (2592, 98999)]