780208

素因数分解:

$2^4\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1$

素因数の和:74

約数の個数: 60

約数和(自身を含む): 1847104

約数和(自身を除く): 1066896

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 31, 44, 52, 62, 88, 104, 121, 124, 143, 176, 208, 242, 248, 286, 341, 403, 484, 496, 572, 682, 806, 968, 1144, 1364, 1573, 1612, 1936, 2288, 2728, 3146, 3224, 3751, 4433, 5456, 6292, 6448, 7502, 8866, 12584, 15004, 17732, 25168, 30008, 35464, 48763, 60016, 70928, 97526, 195052, 390104, 780208]

約数ペア:

[(1, 780208), (2, 390104), (4, 195052), (8, 97526), (11, 70928), (13, 60016), (16, 48763), (22, 35464), (26, 30008), (31, 25168), (44, 17732), (52, 15004), (62, 12584), (88, 8866), (104, 7502), (121, 6448), (124, 6292), (143, 5456), (176, 4433), (208, 3751), (242, 3224), (248, 3146), (286, 2728), (341, 2288), (403, 1936), (484, 1612), (496, 1573), (572, 1364), (682, 1144), (806, 968)]