1389309328

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{157}}^1\times {\mathrm{367}}^1$

素因数の和:680

約数の個数: 80

約数和(自身を含む): 2984880384

約数和(自身を除く): 1595571056

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 137, 157, 176, 274, 314, 367, 548, 628, 734, 1096, 1256, 1468, 1507, 1727, 2192, 2512, 2936, 3014, 3454, 4037, 5872, 6028, 6908, 8074, 12056, 13816, 16148, 21509, 24112, 27632, 32296, 43018, 50279, 57619, 64592, 86036, 100558, 115238, 172072, 201116, 230476, 236599, 344144, 402232, 460952, 473198, 553069, 633809, 804464, 921904, 946396, 1106138, 1267618, 1892792, 2212276, 2535236, 3785584, 4424552, 5070472, 7893803, 8849104, 10140944, 15787606, 31575212, 63150424, 86831833, 126300848, 173663666, 347327332, 694654664, 1389309328]

約数ペア:

[(1, 1389309328), (2, 694654664), (4, 347327332), (8, 173663666), (11, 126300848), (16, 86831833), (22, 63150424), (44, 31575212), (88, 15787606), (137, 10140944), (157, 8849104), (176, 7893803), (274, 5070472), (314, 4424552), (367, 3785584), (548, 2535236), (628, 2212276), (734, 1892792), (1096, 1267618), (1256, 1106138), (1468, 946396), (1507, 921904), (1727, 804464), (2192, 633809), (2512, 553069), (2936, 473198), (3014, 460952), (3454, 402232), (4037, 344144), (5872, 236599), (6028, 230476), (6908, 201116), (8074, 172072), (12056, 115238), (13816, 100558), (16148, 86036), (21509, 64592), (24112, 57619), (27632, 50279), (32296, 43018)]