17721768

素因数分解:

$2^3\times 3^1\times {\mathrm{67}}^1\times {\mathrm{103}}^1\times {\mathrm{107}}^1$

素因数の和:286

約数の個数: 64

約数和(自身を含む): 45826560

約数和(自身を除く): 28104792

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 67, 103, 107, 134, 201, 206, 214, 268, 309, 321, 402, 412, 428, 536, 618, 642, 804, 824, 856, 1236, 1284, 1608, 2472, 2568, 6901, 7169, 11021, 13802, 14338, 20703, 21507, 22042, 27604, 28676, 33063, 41406, 43014, 44084, 55208, 57352, 66126, 82812, 86028, 88168, 132252, 165624, 172056, 264504, 738407, 1476814, 2215221, 2953628, 4430442, 5907256, 8860884, 17721768]

約数ペア:

[(1, 17721768), (2, 8860884), (3, 5907256), (4, 4430442), (6, 2953628), (8, 2215221), (12, 1476814), (24, 738407), (67, 264504), (103, 172056), (107, 165624), (134, 132252), (201, 88168), (206, 86028), (214, 82812), (268, 66126), (309, 57352), (321, 55208), (402, 44084), (412, 43014), (428, 41406), (536, 33063), (618, 28676), (642, 27604), (804, 22042), (824, 21507), (856, 20703), (1236, 14338), (1284, 13802), (1608, 11021), (2472, 7169), (2568, 6901)]