77321998

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{97}}^1$

素因数の和:209

約数の個数: 64

約数和(自身を含む): 139087872

約数和(自身を除く): 61765874

約数列:

[1, 2, 13, 23, 26, 31, 43, 46, 62, 86, 97, 194, 299, 403, 559, 598, 713, 806, 989, 1118, 1261, 1333, 1426, 1978, 2231, 2522, 2666, 3007, 4171, 4462, 6014, 8342, 9269, 12857, 17329, 18538, 25714, 29003, 30659, 34658, 39091, 54223, 58006, 61318, 69161, 78182, 95933, 108446, 129301, 138322, 191866, 258602, 398567, 797134, 899093, 1247129, 1680913, 1798186, 2494258, 2973923, 3361826, 5947846, 38660999, 77321998]

約数ペア:

[(1, 77321998), (2, 38660999), (13, 5947846), (23, 3361826), (26, 2973923), (31, 2494258), (43, 1798186), (46, 1680913), (62, 1247129), (86, 899093), (97, 797134), (194, 398567), (299, 258602), (403, 191866), (559, 138322), (598, 129301), (713, 108446), (806, 95933), (989, 78182), (1118, 69161), (1261, 61318), (1333, 58006), (1426, 54223), (1978, 39091), (2231, 34658), (2522, 30659), (2666, 29003), (3007, 25714), (4171, 18538), (4462, 17329), (6014, 12857), (8342, 9269)]