621271976

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{67121}}^1$

素因数の和:67229

約数の個数: 32

約数和(自身を含む): 1268605800

約数和(自身を除く): 647333824

約数列:

[1, 2, 4, 8, 13, 26, 52, 89, 104, 178, 356, 712, 1157, 2314, 4628, 9256, 67121, 134242, 268484, 536968, 872573, 1745146, 3490292, 5973769, 6980584, 11947538, 23895076, 47790152, 77658997, 155317994, 310635988, 621271976]

約数ペア:

[(1, 621271976), (2, 310635988), (4, 155317994), (8, 77658997), (13, 47790152), (26, 23895076), (52, 11947538), (89, 6980584), (104, 5973769), (178, 3490292), (356, 1745146), (712, 872573), (1157, 536968), (2314, 268484), (4628, 134242), (9256, 67121)]