187689128

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{107}}^1\times {\mathrm{643}}^1$

素因数の和:798

約数の個数: 64

約数和(自身を含む): 400619520

約数和(自身を除く): 212930392

約数列:

[1, 2, 4, 8, 11, 22, 31, 44, 62, 88, 107, 124, 214, 248, 341, 428, 643, 682, 856, 1177, 1286, 1364, 2354, 2572, 2728, 3317, 4708, 5144, 6634, 7073, 9416, 13268, 14146, 19933, 26536, 28292, 36487, 39866, 56584, 68801, 72974, 79732, 137602, 145948, 159464, 219263, 275204, 291896, 438526, 550408, 756811, 877052, 1513622, 1754104, 2132831, 3027244, 4265662, 6054488, 8531324, 17062648, 23461141, 46922282, 93844564, 187689128]

約数ペア:

[(1, 187689128), (2, 93844564), (4, 46922282), (8, 23461141), (11, 17062648), (22, 8531324), (31, 6054488), (44, 4265662), (62, 3027244), (88, 2132831), (107, 1754104), (124, 1513622), (214, 877052), (248, 756811), (341, 550408), (428, 438526), (643, 291896), (682, 275204), (856, 219263), (1177, 159464), (1286, 145948), (1364, 137602), (2354, 79732), (2572, 72974), (2728, 68801), (3317, 56584), (4708, 39866), (5144, 36487), (6634, 28292), (7073, 26536), (9416, 19933), (13268, 14146)]