28867904

素因数分解:

$2^6\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{157}}^1$

素因数の和:212

約数の個数: 84

約数和(自身を含む): 66097404

約数和(自身を除く): 37229500

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 32, 34, 52, 64, 68, 104, 136, 157, 169, 208, 221, 272, 314, 338, 416, 442, 544, 628, 676, 832, 884, 1088, 1256, 1352, 1768, 2041, 2512, 2669, 2704, 2873, 3536, 4082, 5024, 5338, 5408, 5746, 7072, 8164, 10048, 10676, 10816, 11492, 14144, 16328, 21352, 22984, 26533, 32656, 34697, 42704, 45968, 53066, 65312, 69394, 85408, 91936, 106132, 130624, 138788, 170816, 183872, 212264, 277576, 424528, 451061, 555152, 849056, 902122, 1110304, 1698112, 1804244, 2220608, 3608488, 7216976, 14433952, 28867904]

約数ペア:

[(1, 28867904), (2, 14433952), (4, 7216976), (8, 3608488), (13, 2220608), (16, 1804244), (17, 1698112), (26, 1110304), (32, 902122), (34, 849056), (52, 555152), (64, 451061), (68, 424528), (104, 277576), (136, 212264), (157, 183872), (169, 170816), (208, 138788), (221, 130624), (272, 106132), (314, 91936), (338, 85408), (416, 69394), (442, 65312), (544, 53066), (628, 45968), (676, 42704), (832, 34697), (884, 32656), (1088, 26533), (1256, 22984), (1352, 21352), (1768, 16328), (2041, 14144), (2512, 11492), (2669, 10816), (2704, 10676), (2873, 10048), (3536, 8164), (4082, 7072), (5024, 5746), (5338, 5408)]