197872818

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{271}}^1$

素因数の和:360

約数の個数: 128

約数和(自身を含む): 500097024

約数和(自身を除く): 302224206

約数列:

[1, 2, 3, 6, 11, 13, 22, 23, 26, 33, 37, 39, 46, 66, 69, 74, 78, 111, 138, 143, 222, 253, 271, 286, 299, 407, 429, 481, 506, 542, 598, 759, 813, 814, 851, 858, 897, 962, 1221, 1443, 1518, 1626, 1702, 1794, 2442, 2553, 2886, 2981, 3289, 3523, 5106, 5291, 5962, 6233, 6578, 7046, 8943, 9361, 9867, 10027, 10569, 10582, 11063, 12466, 15873, 17886, 18699, 18722, 19734, 20054, 21138, 22126, 28083, 30081, 31746, 33189, 37398, 38753, 56166, 60162, 66378, 68563, 77506, 81029, 110297, 116259, 121693, 130351, 137126, 162058, 205689, 220594, 230621, 232518, 243087, 243386, 260702, 330891, 365079, 391053, 411378, 461242, 486174, 661782, 691863, 730158, 782106, 891319, 1383726, 1433861, 1782638, 2536831, 2673957, 2867722, 2998073, 4301583, 5073662, 5347914, 5996146, 7610493, 8603166, 8994219, 15220986, 17988438, 32978803, 65957606, 98936409, 197872818]

約数ペア:

[(1, 197872818), (2, 98936409), (3, 65957606), (6, 32978803), (11, 17988438), (13, 15220986), (22, 8994219), (23, 8603166), (26, 7610493), (33, 5996146), (37, 5347914), (39, 5073662), (46, 4301583), (66, 2998073), (69, 2867722), (74, 2673957), (78, 2536831), (111, 1782638), (138, 1433861), (143, 1383726), (222, 891319), (253, 782106), (271, 730158), (286, 691863), (299, 661782), (407, 486174), (429, 461242), (481, 411378), (506, 391053), (542, 365079), (598, 330891), (759, 260702), (813, 243386), (814, 243087), (851, 232518), (858, 230621), (897, 220594), (962, 205689), (1221, 162058), (1443, 137126), (1518, 130351), (1626, 121693), (1702, 116259), (1794, 110297), (2442, 81029), (2553, 77506), (2886, 68563), (2981, 66378), (3289, 60162), (3523, 56166), (5106, 38753), (5291, 37398), (5962, 33189), (6233, 31746), (6578, 30081), (7046, 28083), (8943, 22126), (9361, 21138), (9867, 20054), (10027, 19734), (10569, 18722), (10582, 18699), (11063, 17886), (12466, 15873)]