84181136

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1\times {\mathrm{109}}^1$

素因数の和:256

約数の個数: 80

約数和(自身を含む): 183321600

約数和(自身を除く): 99140464

約数列:

[1, 2, 4, 8, 13, 16, 26, 47, 52, 79, 94, 104, 109, 158, 188, 208, 218, 316, 376, 436, 611, 632, 752, 872, 1027, 1222, 1264, 1417, 1744, 2054, 2444, 2834, 3713, 4108, 4888, 5123, 5668, 7426, 8216, 8611, 9776, 10246, 11336, 14852, 16432, 17222, 20492, 22672, 29704, 34444, 40984, 48269, 59408, 66599, 68888, 81968, 96538, 111943, 133198, 137776, 193076, 223886, 266396, 386152, 404717, 447772, 532792, 772304, 809434, 895544, 1065584, 1618868, 1791088, 3237736, 5261321, 6475472, 10522642, 21045284, 42090568, 84181136]

約数ペア:

[(1, 84181136), (2, 42090568), (4, 21045284), (8, 10522642), (13, 6475472), (16, 5261321), (26, 3237736), (47, 1791088), (52, 1618868), (79, 1065584), (94, 895544), (104, 809434), (109, 772304), (158, 532792), (188, 447772), (208, 404717), (218, 386152), (316, 266396), (376, 223886), (436, 193076), (611, 137776), (632, 133198), (752, 111943), (872, 96538), (1027, 81968), (1222, 68888), (1264, 66599), (1417, 59408), (1744, 48269), (2054, 40984), (2444, 34444), (2834, 29704), (3713, 22672), (4108, 20492), (4888, 17222), (5123, 16432), (5668, 14852), (7426, 11336), (8216, 10246), (8611, 9776)]