28422784

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1$

素因数の和:106

約数の個数: 128

約数和(自身を含む): 68544000

約数和(自身を除く): 40121216

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 29, 31, 32, 38, 52, 58, 62, 64, 76, 104, 116, 124, 128, 152, 208, 232, 247, 248, 304, 377, 403, 416, 464, 494, 496, 551, 589, 608, 754, 806, 832, 899, 928, 988, 992, 1102, 1178, 1216, 1508, 1612, 1664, 1798, 1856, 1976, 1984, 2204, 2356, 2432, 3016, 3224, 3596, 3712, 3952, 3968, 4408, 4712, 6032, 6448, 7163, 7192, 7657, 7904, 8816, 9424, 11687, 12064, 12896, 14326, 14384, 15314, 15808, 17081, 17632, 18848, 23374, 24128, 25792, 28652, 28768, 30628, 31616, 34162, 35264, 37696, 46748, 48256, 51584, 57304, 57536, 61256, 68324, 70528, 75392, 93496, 114608, 115072, 122512, 136648, 186992, 222053, 229216, 245024, 273296, 373984, 444106, 458432, 490048, 546592, 747968, 888212, 916864, 980096, 1093184, 1495936, 1776424, 2186368, 3552848, 7105696, 14211392, 28422784]

約数ペア:

[(1, 28422784), (2, 14211392), (4, 7105696), (8, 3552848), (13, 2186368), (16, 1776424), (19, 1495936), (26, 1093184), (29, 980096), (31, 916864), (32, 888212), (38, 747968), (52, 546592), (58, 490048), (62, 458432), (64, 444106), (76, 373984), (104, 273296), (116, 245024), (124, 229216), (128, 222053), (152, 186992), (208, 136648), (232, 122512), (247, 115072), (248, 114608), (304, 93496), (377, 75392), (403, 70528), (416, 68324), (464, 61256), (494, 57536), (496, 57304), (551, 51584), (589, 48256), (608, 46748), (754, 37696), (806, 35264), (832, 34162), (899, 31616), (928, 30628), (988, 28768), (992, 28652), (1102, 25792), (1178, 24128), (1216, 23374), (1508, 18848), (1612, 17632), (1664, 17081), (1798, 15808), (1856, 15314), (1976, 14384), (1984, 14326), (2204, 12896), (2356, 12064), (2432, 11687), (3016, 9424), (3224, 8816), (3596, 7904), (3712, 7657), (3952, 7192), (3968, 7163), (4408, 6448), (4712, 6032)]