82781972

素因数分解:

$2^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{613}}^1$

素因数の和:697

約数の個数: 72

約数和(自身を含む): 185209416

約数和(自身を除く): 102427444

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 49, 52, 53, 91, 98, 106, 182, 196, 212, 364, 371, 613, 637, 689, 742, 1226, 1274, 1378, 1484, 2452, 2548, 2597, 2756, 4291, 4823, 5194, 7969, 8582, 9646, 10388, 15938, 17164, 19292, 30037, 31876, 32489, 33761, 55783, 60074, 64978, 67522, 111566, 120148, 129956, 135044, 223132, 227423, 390481, 422357, 454846, 780962, 844714, 909692, 1561924, 1591961, 1689428, 2956499, 3183922, 5912998, 6367844, 11825996, 20695493, 41390986, 82781972]

約数ペア:

[(1, 82781972), (2, 41390986), (4, 20695493), (7, 11825996), (13, 6367844), (14, 5912998), (26, 3183922), (28, 2956499), (49, 1689428), (52, 1591961), (53, 1561924), (91, 909692), (98, 844714), (106, 780962), (182, 454846), (196, 422357), (212, 390481), (364, 227423), (371, 223132), (613, 135044), (637, 129956), (689, 120148), (742, 111566), (1226, 67522), (1274, 64978), (1378, 60074), (1484, 55783), (2452, 33761), (2548, 32489), (2597, 31876), (2756, 30037), (4291, 19292), (4823, 17164), (5194, 15938), (7969, 10388), (8582, 9646)]