28986837

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{557}}^1$

素因数の和:673

約数の個数: 32

約数和(自身を含む): 44997120

約数和(自身を除く): 16010283

約数列:

[1, 3, 11, 19, 33, 57, 83, 209, 249, 557, 627, 913, 1577, 1671, 2739, 4731, 6127, 10583, 17347, 18381, 31749, 46231, 52041, 116413, 138693, 349239, 508541, 878389, 1525623, 2635167, 9662279, 28986837]

約数ペア:

[(1, 28986837), (3, 9662279), (11, 2635167), (19, 1525623), (33, 878389), (57, 508541), (83, 349239), (209, 138693), (249, 116413), (557, 52041), (627, 46231), (913, 31749), (1577, 18381), (1671, 17347), (2739, 10583), (4731, 6127)]