128213274

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{64951}}^1$

素因数の和:65010

約数の個数: 32

約数和(自身を含む): 299298816

約数和(自身を除く): 171085542

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 47, 94, 141, 282, 329, 658, 987, 1974, 64951, 129902, 194853, 389706, 454657, 909314, 1363971, 2727942, 3052697, 6105394, 9158091, 18316182, 21368879, 42737758, 64106637, 128213274]

約数ペア:

[(1, 128213274), (2, 64106637), (3, 42737758), (6, 21368879), (7, 18316182), (14, 9158091), (21, 6105394), (42, 3052697), (47, 2727942), (94, 1363971), (141, 909314), (282, 454657), (329, 389706), (658, 194853), (987, 129902), (1974, 64951)]