399350224

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{1747}}^1$

素因数の和:1932

約数の個数: 80

約数和(自身を含む): 958910848

約数和(自身を除く): 559560624

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 157, 182, 208, 314, 364, 628, 728, 1099, 1256, 1456, 1747, 2041, 2198, 2512, 3494, 4082, 4396, 6988, 8164, 8792, 12229, 13976, 14287, 16328, 17584, 22711, 24458, 27952, 28574, 32656, 45422, 48916, 57148, 90844, 97832, 114296, 158977, 181688, 195664, 228592, 274279, 317954, 363376, 548558, 635908, 1097116, 1271816, 1919953, 2194232, 2543632, 3565627, 3839906, 4388464, 7131254, 7679812, 14262508, 15359624, 24959389, 28525016, 30719248, 49918778, 57050032, 99837556, 199675112, 399350224]

約数ペア:

[(1, 399350224), (2, 199675112), (4, 99837556), (7, 57050032), (8, 49918778), (13, 30719248), (14, 28525016), (16, 24959389), (26, 15359624), (28, 14262508), (52, 7679812), (56, 7131254), (91, 4388464), (104, 3839906), (112, 3565627), (157, 2543632), (182, 2194232), (208, 1919953), (314, 1271816), (364, 1097116), (628, 635908), (728, 548558), (1099, 363376), (1256, 317954), (1456, 274279), (1747, 228592), (2041, 195664), (2198, 181688), (2512, 158977), (3494, 114296), (4082, 97832), (4396, 90844), (6988, 57148), (8164, 48916), (8792, 45422), (12229, 32656), (13976, 28574), (14287, 27952), (16328, 24458), (17584, 22711)]