15856564

素因数分解:

$2^2\times {\mathrm{19}}^2\times {\mathrm{79}}^1\times {\mathrm{139}}^1$

素因数の和:260

約数の個数: 36

約数和(自身を含む): 29870400

約数和(自身を除く): 14013836

約数列:

[1, 2, 4, 19, 38, 76, 79, 139, 158, 278, 316, 361, 556, 722, 1444, 1501, 2641, 3002, 5282, 6004, 10564, 10981, 21962, 28519, 43924, 50179, 57038, 100358, 114076, 200716, 208639, 417278, 834556, 3964141, 7928282, 15856564]

約数ペア:

[(1, 15856564), (2, 7928282), (4, 3964141), (19, 834556), (38, 417278), (76, 208639), (79, 200716), (139, 114076), (158, 100358), (278, 57038), (316, 50179), (361, 43924), (556, 28519), (722, 21962), (1444, 10981), (1501, 10564), (2641, 6004), (3002, 5282)]