289043315

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{101}}^1\times {\mathrm{853}}^1$

素因数の和:1031

約数の個数: 32

約数和(自身を含む): 388850112

約数和(自身を除く): 99806797

約数列:

[1, 5, 11, 55, 61, 101, 305, 505, 671, 853, 1111, 3355, 4265, 5555, 6161, 9383, 30805, 46915, 52033, 67771, 86153, 260165, 338855, 430765, 572363, 947683, 2861815, 4738415, 5255333, 26276665, 57808663, 289043315]

約数ペア:

[(1, 289043315), (5, 57808663), (11, 26276665), (55, 5255333), (61, 4738415), (101, 2861815), (305, 947683), (505, 572363), (671, 430765), (853, 338855), (1111, 260165), (3355, 86153), (4265, 67771), (5555, 52033), (6161, 46915), (9383, 30805)]