28971145

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1$

素因数の和:154

約数の個数: 64

約数和(自身を含む): 46033920

約数和(自身を除く): 17062775

約数列:

[1, 5, 7, 17, 23, 29, 35, 73, 85, 115, 119, 145, 161, 203, 365, 391, 493, 511, 595, 667, 805, 1015, 1241, 1679, 1955, 2117, 2465, 2555, 2737, 3335, 3451, 4669, 6205, 8395, 8687, 10585, 11339, 11753, 13685, 14819, 17255, 23345, 28543, 35989, 43435, 48691, 56695, 58765, 74095, 79373, 142715, 179945, 199801, 243455, 251923, 340837, 396865, 827747, 999005, 1259615, 1704185, 4138735, 5794229, 28971145]

約数ペア:

[(1, 28971145), (5, 5794229), (7, 4138735), (17, 1704185), (23, 1259615), (29, 999005), (35, 827747), (73, 396865), (85, 340837), (115, 251923), (119, 243455), (145, 199801), (161, 179945), (203, 142715), (365, 79373), (391, 74095), (493, 58765), (511, 56695), (595, 48691), (667, 43435), (805, 35989), (1015, 28543), (1241, 23345), (1679, 17255), (1955, 14819), (2117, 13685), (2465, 11753), (2555, 11339), (2737, 10585), (3335, 8687), (3451, 8395), (4669, 6205)]