28560714

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{181}}^1$

素因数の和:240

約数の個数: 96

約数和(自身を含む): 75094656

約数和(自身を除く): 46533942

約数列:

[1, 2, 3, 6, 7, 13, 14, 17, 21, 26, 34, 39, 42, 51, 78, 91, 102, 119, 181, 182, 221, 238, 273, 289, 357, 362, 442, 543, 546, 578, 663, 714, 867, 1086, 1267, 1326, 1547, 1734, 2023, 2353, 2534, 3077, 3094, 3757, 3801, 4046, 4641, 4706, 6069, 6154, 7059, 7514, 7602, 9231, 9282, 11271, 12138, 14118, 16471, 18462, 21539, 22542, 26299, 32942, 40001, 43078, 49413, 52309, 52598, 64617, 78897, 80002, 98826, 104618, 120003, 129234, 156927, 157794, 240006, 280007, 313854, 366163, 560014, 680017, 732326, 840021, 1098489, 1360034, 1680042, 2040051, 2196978, 4080102, 4760119, 9520238, 14280357, 28560714]

約数ペア:

[(1, 28560714), (2, 14280357), (3, 9520238), (6, 4760119), (7, 4080102), (13, 2196978), (14, 2040051), (17, 1680042), (21, 1360034), (26, 1098489), (34, 840021), (39, 732326), (42, 680017), (51, 560014), (78, 366163), (91, 313854), (102, 280007), (119, 240006), (181, 157794), (182, 156927), (221, 129234), (238, 120003), (273, 104618), (289, 98826), (357, 80002), (362, 78897), (442, 64617), (543, 52598), (546, 52309), (578, 49413), (663, 43078), (714, 40001), (867, 32942), (1086, 26299), (1267, 22542), (1326, 21539), (1547, 18462), (1734, 16471), (2023, 14118), (2353, 12138), (2534, 11271), (3077, 9282), (3094, 9231), (3757, 7602), (3801, 7514), (4046, 7059), (4641, 6154), (4706, 6069)]