30976998

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{557}}^1$

素因数の和:629

約数の個数: 64

約数和(自身を含む): 71995392

約数和(自身を除く): 41018394

約数列:

[1, 2, 3, 6, 13, 23, 26, 31, 39, 46, 62, 69, 78, 93, 138, 186, 299, 403, 557, 598, 713, 806, 897, 1114, 1209, 1426, 1671, 1794, 2139, 2418, 3342, 4278, 7241, 9269, 12811, 14482, 17267, 18538, 21723, 25622, 27807, 34534, 38433, 43446, 51801, 55614, 76866, 103602, 166543, 224471, 333086, 397141, 448942, 499629, 673413, 794282, 999258, 1191423, 1346826, 2382846, 5162833, 10325666, 15488499, 30976998]

約数ペア:

[(1, 30976998), (2, 15488499), (3, 10325666), (6, 5162833), (13, 2382846), (23, 1346826), (26, 1191423), (31, 999258), (39, 794282), (46, 673413), (62, 499629), (69, 448942), (78, 397141), (93, 333086), (138, 224471), (186, 166543), (299, 103602), (403, 76866), (557, 55614), (598, 51801), (713, 43446), (806, 38433), (897, 34534), (1114, 27807), (1209, 25622), (1426, 21723), (1671, 18538), (1794, 17267), (2139, 14482), (2418, 12811), (3342, 9269), (4278, 7241)]