38394244

素因数分解:

$2^2\times 7^2\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1$

素因数の和:209

約数の個数: 72

約数和(自身を含む): 82736640

約数和(自身を除く): 44342396

約数列:

[1, 2, 4, 7, 14, 28, 31, 49, 62, 71, 89, 98, 124, 142, 178, 196, 217, 284, 356, 434, 497, 623, 868, 994, 1246, 1519, 1988, 2201, 2492, 2759, 3038, 3479, 4361, 4402, 5518, 6076, 6319, 6958, 8722, 8804, 11036, 12638, 13916, 15407, 17444, 19313, 25276, 30814, 38626, 44233, 61628, 77252, 88466, 107849, 135191, 176932, 195889, 215698, 270382, 309631, 391778, 431396, 540764, 619262, 783556, 1238524, 1371223, 2742446, 5484892, 9598561, 19197122, 38394244]

約数ペア:

[(1, 38394244), (2, 19197122), (4, 9598561), (7, 5484892), (14, 2742446), (28, 1371223), (31, 1238524), (49, 783556), (62, 619262), (71, 540764), (89, 431396), (98, 391778), (124, 309631), (142, 270382), (178, 215698), (196, 195889), (217, 176932), (284, 135191), (356, 107849), (434, 88466), (497, 77252), (623, 61628), (868, 44233), (994, 38626), (1246, 30814), (1519, 25276), (1988, 19313), (2201, 17444), (2492, 15407), (2759, 13916), (3038, 12638), (3479, 11036), (4361, 8804), (4402, 8722), (5518, 6958), (6076, 6319)]