28987224

素因数分解:

$2^3\times 3^1\times 7^2\times {\mathrm{157}}^2$

素因数の和:337

約数の個数: 72

約数和(自身を含む): 84839940

約数和(自身を除く): 55852716

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 49, 56, 84, 98, 147, 157, 168, 196, 294, 314, 392, 471, 588, 628, 942, 1099, 1176, 1256, 1884, 2198, 3297, 3768, 4396, 6594, 7693, 8792, 13188, 15386, 23079, 24649, 26376, 30772, 46158, 49298, 61544, 73947, 92316, 98596, 147894, 172543, 184632, 197192, 295788, 345086, 517629, 591576, 690172, 1035258, 1207801, 1380344, 2070516, 2415602, 3623403, 4141032, 4831204, 7246806, 9662408, 14493612, 28987224]

約数ペア:

[(1, 28987224), (2, 14493612), (3, 9662408), (4, 7246806), (6, 4831204), (7, 4141032), (8, 3623403), (12, 2415602), (14, 2070516), (21, 1380344), (24, 1207801), (28, 1035258), (42, 690172), (49, 591576), (56, 517629), (84, 345086), (98, 295788), (147, 197192), (157, 184632), (168, 172543), (196, 147894), (294, 98596), (314, 92316), (392, 73947), (471, 61544), (588, 49298), (628, 46158), (942, 30772), (1099, 26376), (1176, 24649), (1256, 23079), (1884, 15386), (2198, 13188), (3297, 8792), (3768, 7693), (4396, 6594)]