81808194

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{1471}}^1$

素因数の和:1543

約数の個数: 64

約数和(自身を含む): 189923328

約数和(自身を除く): 108115134

約数列:

[1, 2, 3, 6, 13, 23, 26, 31, 39, 46, 62, 69, 78, 93, 138, 186, 299, 403, 598, 713, 806, 897, 1209, 1426, 1471, 1794, 2139, 2418, 2942, 4278, 4413, 8826, 9269, 18538, 19123, 27807, 33833, 38246, 45601, 55614, 57369, 67666, 91202, 101499, 114738, 136803, 202998, 273606, 439829, 592813, 879658, 1048823, 1185626, 1319487, 1778439, 2097646, 2638974, 3146469, 3556878, 6292938, 13634699, 27269398, 40904097, 81808194]

約数ペア:

[(1, 81808194), (2, 40904097), (3, 27269398), (6, 13634699), (13, 6292938), (23, 3556878), (26, 3146469), (31, 2638974), (39, 2097646), (46, 1778439), (62, 1319487), (69, 1185626), (78, 1048823), (93, 879658), (138, 592813), (186, 439829), (299, 273606), (403, 202998), (598, 136803), (713, 114738), (806, 101499), (897, 91202), (1209, 67666), (1426, 57369), (1471, 55614), (1794, 45601), (2139, 38246), (2418, 33833), (2942, 27807), (4278, 19123), (4413, 18538), (8826, 9269)]