28770252

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{113}}^1\times {\mathrm{433}}^1$

素因数の和:567

約数の個数: 72

約数和(自身を含む): 78963696

約数和(自身を除く): 50193444

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 84, 98, 113, 147, 196, 226, 294, 339, 433, 452, 588, 678, 791, 866, 1299, 1356, 1582, 1732, 2373, 2598, 3031, 3164, 4746, 5196, 5537, 6062, 9093, 9492, 11074, 12124, 16611, 18186, 21217, 22148, 33222, 36372, 42434, 48929, 63651, 66444, 84868, 97858, 127302, 146787, 195716, 254604, 293574, 342503, 587148, 685006, 1027509, 1370012, 2055018, 2397521, 4110036, 4795042, 7192563, 9590084, 14385126, 28770252]

約数ペア:

[(1, 28770252), (2, 14385126), (3, 9590084), (4, 7192563), (6, 4795042), (7, 4110036), (12, 2397521), (14, 2055018), (21, 1370012), (28, 1027509), (42, 685006), (49, 587148), (84, 342503), (98, 293574), (113, 254604), (147, 195716), (196, 146787), (226, 127302), (294, 97858), (339, 84868), (433, 66444), (452, 63651), (588, 48929), (678, 42434), (791, 36372), (866, 33222), (1299, 22148), (1356, 21217), (1582, 18186), (1732, 16611), (2373, 12124), (2598, 11074), (3031, 9492), (3164, 9093), (4746, 6062), (5196, 5537)]