201879128

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1\times {\mathrm{409}}^1$

素因数の和:576

約数の個数: 64

約数和(自身を含む): 425088000

約数和(自身を除く): 223208872

約数列:

[1, 2, 4, 8, 11, 22, 44, 71, 79, 88, 142, 158, 284, 316, 409, 568, 632, 781, 818, 869, 1562, 1636, 1738, 3124, 3272, 3476, 4499, 5609, 6248, 6952, 8998, 11218, 17996, 22436, 29039, 32311, 35992, 44872, 58078, 61699, 64622, 116156, 123398, 129244, 232312, 246796, 258488, 319429, 355421, 493592, 638858, 710842, 1277716, 1421684, 2294081, 2555432, 2843368, 4588162, 9176324, 18352648, 25234891, 50469782, 100939564, 201879128]

約数ペア:

[(1, 201879128), (2, 100939564), (4, 50469782), (8, 25234891), (11, 18352648), (22, 9176324), (44, 4588162), (71, 2843368), (79, 2555432), (88, 2294081), (142, 1421684), (158, 1277716), (284, 710842), (316, 638858), (409, 493592), (568, 355421), (632, 319429), (781, 258488), (818, 246796), (869, 232312), (1562, 129244), (1636, 123398), (1738, 116156), (3124, 64622), (3272, 61699), (3476, 58078), (4499, 44872), (5609, 35992), (6248, 32311), (6952, 29039), (8998, 22436), (11218, 17996)]