128525538

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{157}}^1\times {\mathrm{167}}^1$

素因数の和:391

約数の個数: 64

約数和(自身を含む): 280304640

約数和(自身を除く): 151779102

約数列:

[1, 2, 3, 6, 19, 38, 43, 57, 86, 114, 129, 157, 167, 258, 314, 334, 471, 501, 817, 942, 1002, 1634, 2451, 2983, 3173, 4902, 5966, 6346, 6751, 7181, 8949, 9519, 13502, 14362, 17898, 19038, 20253, 21543, 26219, 40506, 43086, 52438, 78657, 128269, 136439, 157314, 256538, 272878, 384807, 409317, 498161, 769614, 818634, 996322, 1127417, 1494483, 2254834, 2988966, 3382251, 6764502, 21420923, 42841846, 64262769, 128525538]

約数ペア:

[(1, 128525538), (2, 64262769), (3, 42841846), (6, 21420923), (19, 6764502), (38, 3382251), (43, 2988966), (57, 2254834), (86, 1494483), (114, 1127417), (129, 996322), (157, 818634), (167, 769614), (258, 498161), (314, 409317), (334, 384807), (471, 272878), (501, 256538), (817, 157314), (942, 136439), (1002, 128269), (1634, 78657), (2451, 52438), (2983, 43086), (3173, 40506), (4902, 26219), (5966, 21543), (6346, 20253), (6751, 19038), (7181, 17898), (8949, 14362), (9519, 13502)]