217811888

素因数分解:

$2^4\times 7^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{823}}^1$

素因数の和:994

約数の個数: 80

約数和(自身を含む): 514967040

約数和(自身を除く): 297155152

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 34, 56, 68, 112, 119, 136, 139, 238, 272, 278, 476, 556, 823, 952, 973, 1112, 1646, 1904, 1946, 2224, 2363, 3292, 3892, 4726, 5761, 6584, 7784, 9452, 11522, 13168, 13991, 15568, 16541, 18904, 23044, 27982, 33082, 37808, 46088, 55964, 66164, 92176, 97937, 111928, 114397, 132328, 195874, 223856, 228794, 264656, 391748, 457588, 783496, 800779, 915176, 1566992, 1601558, 1830352, 1944749, 3203116, 3889498, 6406232, 7778996, 12812464, 13613243, 15557992, 27226486, 31115984, 54452972, 108905944, 217811888]

約数ペア:

[(1, 217811888), (2, 108905944), (4, 54452972), (7, 31115984), (8, 27226486), (14, 15557992), (16, 13613243), (17, 12812464), (28, 7778996), (34, 6406232), (56, 3889498), (68, 3203116), (112, 1944749), (119, 1830352), (136, 1601558), (139, 1566992), (238, 915176), (272, 800779), (278, 783496), (476, 457588), (556, 391748), (823, 264656), (952, 228794), (973, 223856), (1112, 195874), (1646, 132328), (1904, 114397), (1946, 111928), (2224, 97937), (2363, 92176), (3292, 66164), (3892, 55964), (4726, 46088), (5761, 37808), (6584, 33082), (7784, 27982), (9452, 23044), (11522, 18904), (13168, 16541), (13991, 15568)]