643227444

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{223}}^1\times {\mathrm{4217}}^1$

素因数の和:4469

約数の個数: 72

約数和(自身を含む): 1719594240

約数和(自身を除く): 1076366796

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 57, 76, 114, 171, 223, 228, 342, 446, 669, 684, 892, 1338, 2007, 2676, 4014, 4217, 4237, 8028, 8434, 8474, 12651, 12711, 16868, 16948, 25302, 25422, 37953, 38133, 50604, 50844, 75906, 76266, 80123, 151812, 152532, 160246, 240369, 320492, 480738, 721107, 940391, 961476, 1442214, 1880782, 2821173, 2884428, 3761564, 5642346, 8463519, 11284692, 16927038, 17867429, 33854076, 35734858, 53602287, 71469716, 107204574, 160806861, 214409148, 321613722, 643227444]

約数ペア:

[(1, 643227444), (2, 321613722), (3, 214409148), (4, 160806861), (6, 107204574), (9, 71469716), (12, 53602287), (18, 35734858), (19, 33854076), (36, 17867429), (38, 16927038), (57, 11284692), (76, 8463519), (114, 5642346), (171, 3761564), (223, 2884428), (228, 2821173), (342, 1880782), (446, 1442214), (669, 961476), (684, 940391), (892, 721107), (1338, 480738), (2007, 320492), (2676, 240369), (4014, 160246), (4217, 152532), (4237, 151812), (8028, 80123), (8434, 76266), (8474, 75906), (12651, 50844), (12711, 50604), (16868, 38133), (16948, 37953), (25302, 25422)]