81698826

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{547}}^1$

素因数の和:667

約数の個数: 64

約数和(自身を含む): 186863616

約数和(自身を除く): 105164790

約数列:

[1, 2, 3, 6, 11, 22, 31, 33, 62, 66, 73, 93, 146, 186, 219, 341, 438, 547, 682, 803, 1023, 1094, 1606, 1641, 2046, 2263, 2409, 3282, 4526, 4818, 6017, 6789, 12034, 13578, 16957, 18051, 24893, 33914, 36102, 39931, 49786, 50871, 74679, 79862, 101742, 119793, 149358, 186527, 239586, 373054, 439241, 559581, 878482, 1119162, 1237861, 1317723, 2475722, 2635446, 3713583, 7427166, 13616471, 27232942, 40849413, 81698826]

約数ペア:

[(1, 81698826), (2, 40849413), (3, 27232942), (6, 13616471), (11, 7427166), (22, 3713583), (31, 2635446), (33, 2475722), (62, 1317723), (66, 1237861), (73, 1119162), (93, 878482), (146, 559581), (186, 439241), (219, 373054), (341, 239586), (438, 186527), (547, 149358), (682, 119793), (803, 101742), (1023, 79862), (1094, 74679), (1606, 50871), (1641, 49786), (2046, 39931), (2263, 36102), (2409, 33914), (3282, 24893), (4526, 18051), (4818, 16957), (6017, 13578), (6789, 12034)]