81422316

素因数分解:

$2^2\times 3^2\times {\mathrm{17}}^1\times {\mathrm{233}}^1\times {\mathrm{571}}^1$

素因数の和:831

約数の個数: 72

約数和(自身を含む): 219243024

約数和(自身を除く): 137820708

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 34, 36, 51, 68, 102, 153, 204, 233, 306, 466, 571, 612, 699, 932, 1142, 1398, 1713, 2097, 2284, 2796, 3426, 3961, 4194, 5139, 6852, 7922, 8388, 9707, 10278, 11883, 15844, 19414, 20556, 23766, 29121, 35649, 38828, 47532, 58242, 71298, 87363, 116484, 133043, 142596, 174726, 266086, 349452, 399129, 532172, 798258, 1197387, 1596516, 2261731, 2394774, 4523462, 4789548, 6785193, 9046924, 13570386, 20355579, 27140772, 40711158, 81422316]

約数ペア:

[(1, 81422316), (2, 40711158), (3, 27140772), (4, 20355579), (6, 13570386), (9, 9046924), (12, 6785193), (17, 4789548), (18, 4523462), (34, 2394774), (36, 2261731), (51, 1596516), (68, 1197387), (102, 798258), (153, 532172), (204, 399129), (233, 349452), (306, 266086), (466, 174726), (571, 142596), (612, 133043), (699, 116484), (932, 87363), (1142, 71298), (1398, 58242), (1713, 47532), (2097, 38828), (2284, 35649), (2796, 29121), (3426, 23766), (3961, 20556), (4194, 19414), (5139, 15844), (6852, 11883), (7922, 10278), (8388, 9707)]