28064556

素因数分解:

$2^2\times 3^5\times {\mathrm{13}}^1\times {\mathrm{2221}}^1$

素因数の和:2253

約数の個数: 72

約数和(自身を含む): 79263184

約数和(自身を除く): 51198628

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 27, 36, 39, 52, 54, 78, 81, 108, 117, 156, 162, 234, 243, 324, 351, 468, 486, 702, 972, 1053, 1404, 2106, 2221, 3159, 4212, 4442, 6318, 6663, 8884, 12636, 13326, 19989, 26652, 28873, 39978, 57746, 59967, 79956, 86619, 115492, 119934, 173238, 179901, 239868, 259857, 346476, 359802, 519714, 539703, 719604, 779571, 1039428, 1079406, 1559142, 2158812, 2338713, 3118284, 4677426, 7016139, 9354852, 14032278, 28064556]

約数ペア:

[(1, 28064556), (2, 14032278), (3, 9354852), (4, 7016139), (6, 4677426), (9, 3118284), (12, 2338713), (13, 2158812), (18, 1559142), (26, 1079406), (27, 1039428), (36, 779571), (39, 719604), (52, 539703), (54, 519714), (78, 359802), (81, 346476), (108, 259857), (117, 239868), (156, 179901), (162, 173238), (234, 119934), (243, 115492), (324, 86619), (351, 79956), (468, 59967), (486, 57746), (702, 39978), (972, 28873), (1053, 26652), (1404, 19989), (2106, 13326), (2221, 12636), (3159, 8884), (4212, 6663), (4442, 6318)]