28083198

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{461}}^1$

素因数の和:561

約数の個数: 64

約数和(自身を含む): 67060224

約数和(自身を除く): 38977026

約数列:

[1, 2, 3, 6, 11, 13, 22, 26, 33, 39, 66, 71, 78, 142, 143, 213, 286, 426, 429, 461, 781, 858, 922, 923, 1383, 1562, 1846, 2343, 2766, 2769, 4686, 5071, 5538, 5993, 10142, 10153, 11986, 15213, 17979, 20306, 30426, 30459, 32731, 35958, 60918, 65462, 65923, 98193, 131846, 196386, 197769, 360041, 395538, 425503, 720082, 851006, 1080123, 1276509, 2160246, 2553018, 4680533, 9361066, 14041599, 28083198]

約数ペア:

[(1, 28083198), (2, 14041599), (3, 9361066), (6, 4680533), (11, 2553018), (13, 2160246), (22, 1276509), (26, 1080123), (33, 851006), (39, 720082), (66, 425503), (71, 395538), (78, 360041), (142, 197769), (143, 196386), (213, 131846), (286, 98193), (426, 65923), (429, 65462), (461, 60918), (781, 35958), (858, 32731), (922, 30459), (923, 30426), (1383, 20306), (1562, 17979), (1846, 15213), (2343, 11986), (2766, 10153), (2769, 10142), (4686, 5993), (5071, 5538)]