28264808

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{797}}^1$

素因数の和:858

約数の個数: 64

約数和(自身を含む): 64350720

約数和(自身を除く): 36085912

約数列:

[1, 2, 4, 8, 11, 13, 22, 26, 31, 44, 52, 62, 88, 104, 124, 143, 248, 286, 341, 403, 572, 682, 797, 806, 1144, 1364, 1594, 1612, 2728, 3188, 3224, 4433, 6376, 8767, 8866, 10361, 17534, 17732, 20722, 24707, 35068, 35464, 41444, 49414, 70136, 82888, 98828, 113971, 197656, 227942, 271777, 321191, 455884, 543554, 642382, 911768, 1087108, 1284764, 2174216, 2569528, 3533101, 7066202, 14132404, 28264808]

約数ペア:

[(1, 28264808), (2, 14132404), (4, 7066202), (8, 3533101), (11, 2569528), (13, 2174216), (22, 1284764), (26, 1087108), (31, 911768), (44, 642382), (52, 543554), (62, 455884), (88, 321191), (104, 271777), (124, 227942), (143, 197656), (248, 113971), (286, 98828), (341, 82888), (403, 70136), (572, 49414), (682, 41444), (797, 35464), (806, 35068), (1144, 24707), (1364, 20722), (1594, 17732), (1612, 17534), (2728, 10361), (3188, 8866), (3224, 8767), (4433, 6376)]