28311528

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{431}}^1$

素因数の和:487

約数の個数: 128

約数和(自身を含む): 89579520

約数和(自身を除く): 61267992

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 17, 21, 23, 24, 28, 34, 42, 46, 51, 56, 68, 69, 84, 92, 102, 119, 136, 138, 161, 168, 184, 204, 238, 276, 322, 357, 391, 408, 431, 476, 483, 552, 644, 714, 782, 862, 952, 966, 1173, 1288, 1293, 1428, 1564, 1724, 1932, 2346, 2586, 2737, 2856, 3017, 3128, 3448, 3864, 4692, 5172, 5474, 6034, 7327, 8211, 9051, 9384, 9913, 10344, 10948, 12068, 14654, 16422, 18102, 19826, 21896, 21981, 24136, 29308, 29739, 32844, 36204, 39652, 43962, 51289, 58616, 59478, 65688, 69391, 72408, 79304, 87924, 102578, 118956, 138782, 153867, 168521, 175848, 205156, 208173, 237912, 277564, 307734, 337042, 410312, 416346, 505563, 555128, 615468, 674084, 832692, 1011126, 1179647, 1230936, 1348168, 1665384, 2022252, 2359294, 3538941, 4044504, 4718588, 7077882, 9437176, 14155764, 28311528]

約数ペア:

[(1, 28311528), (2, 14155764), (3, 9437176), (4, 7077882), (6, 4718588), (7, 4044504), (8, 3538941), (12, 2359294), (14, 2022252), (17, 1665384), (21, 1348168), (23, 1230936), (24, 1179647), (28, 1011126), (34, 832692), (42, 674084), (46, 615468), (51, 555128), (56, 505563), (68, 416346), (69, 410312), (84, 337042), (92, 307734), (102, 277564), (119, 237912), (136, 208173), (138, 205156), (161, 175848), (168, 168521), (184, 153867), (204, 138782), (238, 118956), (276, 102578), (322, 87924), (357, 79304), (391, 72408), (408, 69391), (431, 65688), (476, 59478), (483, 58616), (552, 51289), (644, 43962), (714, 39652), (782, 36204), (862, 32844), (952, 29739), (966, 29308), (1173, 24136), (1288, 21981), (1293, 21896), (1428, 19826), (1564, 18102), (1724, 16422), (1932, 14654), (2346, 12068), (2586, 10948), (2737, 10344), (2856, 9913), (3017, 9384), (3128, 9051), (3448, 8211), (3864, 7327), (4692, 6034), (5172, 5474)]