80921516

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{137}}^1\times {\mathrm{307}}^1$

素因数の和:498

約数の個数: 48

約数和(自身を含む): 158284896

約数和(自身を除く): 77363380

約数列:

[1, 2, 4, 13, 26, 37, 52, 74, 137, 148, 274, 307, 481, 548, 614, 962, 1228, 1781, 1924, 3562, 3991, 5069, 7124, 7982, 10138, 11359, 15964, 20276, 22718, 42059, 45436, 65897, 84118, 131794, 147667, 168236, 263588, 295334, 546767, 590668, 1093534, 1556183, 2187068, 3112366, 6224732, 20230379, 40460758, 80921516]

約数ペア:

[(1, 80921516), (2, 40460758), (4, 20230379), (13, 6224732), (26, 3112366), (37, 2187068), (52, 1556183), (74, 1093534), (137, 590668), (148, 546767), (274, 295334), (307, 263588), (481, 168236), (548, 147667), (614, 131794), (962, 84118), (1228, 65897), (1781, 45436), (1924, 42059), (3562, 22718), (3991, 20276), (5069, 15964), (7124, 11359), (7982, 10138)]