127658752

素因数分解:

$2^8\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{431}}^1$

素因数の和:549

約数の個数: 72

約数和(自身を含む): 278147520

約数和(自身を除く): 150488768

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 89, 104, 128, 178, 208, 256, 356, 416, 431, 712, 832, 862, 1157, 1424, 1664, 1724, 2314, 2848, 3328, 3448, 4628, 5603, 5696, 6896, 9256, 11206, 11392, 13792, 18512, 22412, 22784, 27584, 37024, 38359, 44824, 55168, 74048, 76718, 89648, 110336, 148096, 153436, 179296, 296192, 306872, 358592, 498667, 613744, 717184, 997334, 1227488, 1434368, 1994668, 2454976, 3989336, 4909952, 7978672, 9819904, 15957344, 31914688, 63829376, 127658752]

約数ペア:

[(1, 127658752), (2, 63829376), (4, 31914688), (8, 15957344), (13, 9819904), (16, 7978672), (26, 4909952), (32, 3989336), (52, 2454976), (64, 1994668), (89, 1434368), (104, 1227488), (128, 997334), (178, 717184), (208, 613744), (256, 498667), (356, 358592), (416, 306872), (431, 296192), (712, 179296), (832, 153436), (862, 148096), (1157, 110336), (1424, 89648), (1664, 76718), (1724, 74048), (2314, 55168), (2848, 44824), (3328, 38359), (3448, 37024), (4628, 27584), (5603, 22784), (5696, 22412), (6896, 18512), (9256, 13792), (11206, 11392)]