278021286

素因数分解:

$2^1\times 3^2\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{101}}^1\times {\mathrm{109}}^1$

素因数の和:302

約数の個数: 96

約数和(自身を含む): 651119040

約数和(自身を除く): 373097754

約数列:

[1, 2, 3, 6, 9, 18, 23, 46, 61, 69, 101, 109, 122, 138, 183, 202, 207, 218, 303, 327, 366, 414, 549, 606, 654, 909, 981, 1098, 1403, 1818, 1962, 2323, 2507, 2806, 4209, 4646, 5014, 6161, 6649, 6969, 7521, 8418, 11009, 12322, 12627, 13298, 13938, 15042, 18483, 19947, 20907, 22018, 22563, 25254, 33027, 36966, 39894, 41814, 45126, 55449, 59841, 66054, 99081, 110898, 119682, 141703, 152927, 198162, 253207, 283406, 305854, 425109, 458781, 506414, 671549, 759621, 850218, 917562, 1275327, 1343098, 1376343, 1519242, 2014647, 2278863, 2550654, 2752686, 4029294, 4557726, 6043941, 12087882, 15445627, 30891254, 46336881, 92673762, 139010643, 278021286]

約数ペア:

[(1, 278021286), (2, 139010643), (3, 92673762), (6, 46336881), (9, 30891254), (18, 15445627), (23, 12087882), (46, 6043941), (61, 4557726), (69, 4029294), (101, 2752686), (109, 2550654), (122, 2278863), (138, 2014647), (183, 1519242), (202, 1376343), (207, 1343098), (218, 1275327), (303, 917562), (327, 850218), (366, 759621), (414, 671549), (549, 506414), (606, 458781), (654, 425109), (909, 305854), (981, 283406), (1098, 253207), (1403, 198162), (1818, 152927), (1962, 141703), (2323, 119682), (2507, 110898), (2806, 99081), (4209, 66054), (4646, 59841), (5014, 55449), (6161, 45126), (6649, 41814), (6969, 39894), (7521, 36966), (8418, 33027), (11009, 25254), (12322, 22563), (12627, 22018), (13298, 20907), (13938, 19947), (15042, 18483)]