28662984

素因数分解:

$2^3\times 3^4\times 7^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1$

素因数の和:185

約数の個数: 160

約数和(自身を含む): 94089600

約数和(自身を除く): 65426616

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 27, 28, 36, 42, 54, 56, 63, 71, 72, 81, 84, 89, 108, 126, 142, 162, 168, 178, 189, 213, 216, 252, 267, 284, 324, 356, 378, 426, 497, 504, 534, 567, 568, 623, 639, 648, 712, 756, 801, 852, 994, 1068, 1134, 1246, 1278, 1491, 1512, 1602, 1704, 1869, 1917, 1988, 2136, 2268, 2403, 2492, 2556, 2982, 3204, 3738, 3834, 3976, 4473, 4536, 4806, 4984, 5112, 5607, 5751, 5964, 6319, 6408, 7209, 7476, 7668, 8946, 9612, 11214, 11502, 11928, 12638, 13419, 14418, 14952, 15336, 16821, 17892, 18957, 19224, 22428, 23004, 25276, 26838, 28836, 33642, 35784, 37914, 40257, 44233, 44856, 46008, 50463, 50552, 53676, 56871, 57672, 67284, 75828, 80514, 88466, 100926, 107352, 113742, 132699, 134568, 151656, 161028, 170613, 176932, 201852, 227484, 265398, 322056, 341226, 353864, 398097, 403704, 454968, 511839, 530796, 682452, 796194, 1023678, 1061592, 1194291, 1364904, 1592388, 2047356, 2388582, 3184776, 3582873, 4094712, 4777164, 7165746, 9554328, 14331492, 28662984]

約数ペア:

[(1, 28662984), (2, 14331492), (3, 9554328), (4, 7165746), (6, 4777164), (7, 4094712), (8, 3582873), (9, 3184776), (12, 2388582), (14, 2047356), (18, 1592388), (21, 1364904), (24, 1194291), (27, 1061592), (28, 1023678), (36, 796194), (42, 682452), (54, 530796), (56, 511839), (63, 454968), (71, 403704), (72, 398097), (81, 353864), (84, 341226), (89, 322056), (108, 265398), (126, 227484), (142, 201852), (162, 176932), (168, 170613), (178, 161028), (189, 151656), (213, 134568), (216, 132699), (252, 113742), (267, 107352), (284, 100926), (324, 88466), (356, 80514), (378, 75828), (426, 67284), (497, 57672), (504, 56871), (534, 53676), (567, 50552), (568, 50463), (623, 46008), (639, 44856), (648, 44233), (712, 40257), (756, 37914), (801, 35784), (852, 33642), (994, 28836), (1068, 26838), (1134, 25276), (1246, 23004), (1278, 22428), (1491, 19224), (1512, 18957), (1602, 17892), (1704, 16821), (1869, 15336), (1917, 14952), (1988, 14418), (2136, 13419), (2268, 12638), (2403, 11928), (2492, 11502), (2556, 11214), (2982, 9612), (3204, 8946), (3738, 7668), (3834, 7476), (3976, 7209), (4473, 6408), (4536, 6319), (4806, 5964), (4984, 5751), (5112, 5607)]