28235688

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{90499}}^1$

素因数の和:90521

約数の個数: 32

約数和(自身を含む): 76020000

約数和(自身を除く): 47784312

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 312, 90499, 180998, 271497, 361996, 542994, 723992, 1085988, 1176487, 2171976, 2352974, 3529461, 4705948, 7058922, 9411896, 14117844, 28235688]

約数ペア:

[(1, 28235688), (2, 14117844), (3, 9411896), (4, 7058922), (6, 4705948), (8, 3529461), (12, 2352974), (13, 2171976), (24, 1176487), (26, 1085988), (39, 723992), (52, 542994), (78, 361996), (104, 271497), (156, 180998), (312, 90499)]