281687728

素因数分解:

$2^4\times 7^1\times {\mathrm{73}}^1\times {\mathrm{131}}^1\times {\mathrm{263}}^1$

素因数の和:482

約数の個数: 80

約数和(自身を含む): 639530496

約数和(自身を除く): 357842768

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 73, 112, 131, 146, 262, 263, 292, 511, 524, 526, 584, 917, 1022, 1048, 1052, 1168, 1834, 1841, 2044, 2096, 2104, 3668, 3682, 4088, 4208, 7336, 7364, 8176, 9563, 14672, 14728, 19126, 19199, 29456, 34453, 38252, 38398, 66941, 68906, 76504, 76796, 133882, 134393, 137812, 153008, 153592, 241171, 267764, 268786, 275624, 307184, 482342, 535528, 537572, 551248, 964684, 1071056, 1075144, 1929368, 2150288, 2515069, 3858736, 5030138, 10060276, 17605483, 20120552, 35210966, 40241104, 70421932, 140843864, 281687728]

約数ペア:

[(1, 281687728), (2, 140843864), (4, 70421932), (7, 40241104), (8, 35210966), (14, 20120552), (16, 17605483), (28, 10060276), (56, 5030138), (73, 3858736), (112, 2515069), (131, 2150288), (146, 1929368), (262, 1075144), (263, 1071056), (292, 964684), (511, 551248), (524, 537572), (526, 535528), (584, 482342), (917, 307184), (1022, 275624), (1048, 268786), (1052, 267764), (1168, 241171), (1834, 153592), (1841, 153008), (2044, 137812), (2096, 134393), (2104, 133882), (3668, 76796), (3682, 76504), (4088, 68906), (4208, 66941), (7336, 38398), (7364, 38252), (8176, 34453), (9563, 29456), (14672, 19199), (14728, 19126)]