28723688

素因数分解:

$2^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{769}}^1$

素因数の和:834

約数の個数: 64

約数和(自身を含む): 66528000

約数和(自身を除く): 37804312

約数列:

[1, 2, 4, 7, 8, 14, 23, 28, 29, 46, 56, 58, 92, 116, 161, 184, 203, 232, 322, 406, 644, 667, 769, 812, 1288, 1334, 1538, 1624, 2668, 3076, 4669, 5336, 5383, 6152, 9338, 10766, 17687, 18676, 21532, 22301, 35374, 37352, 43064, 44602, 70748, 89204, 123809, 141496, 156107, 178408, 247618, 312214, 495236, 512923, 624428, 990472, 1025846, 1248856, 2051692, 3590461, 4103384, 7180922, 14361844, 28723688]

約数ペア:

[(1, 28723688), (2, 14361844), (4, 7180922), (7, 4103384), (8, 3590461), (14, 2051692), (23, 1248856), (28, 1025846), (29, 990472), (46, 624428), (56, 512923), (58, 495236), (92, 312214), (116, 247618), (161, 178408), (184, 156107), (203, 141496), (232, 123809), (322, 89204), (406, 70748), (644, 44602), (667, 43064), (769, 37352), (812, 35374), (1288, 22301), (1334, 21532), (1538, 18676), (1624, 17687), (2668, 10766), (3076, 9338), (4669, 6152), (5336, 5383)]