398293935

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{877}}^1$

素因数の和:1052

約数の個数: 64

約数和(自身を含む): 732799872

約数和(自身を除く): 334505937

約数列:

[1, 3, 5, 13, 15, 17, 39, 51, 65, 85, 137, 195, 221, 255, 411, 663, 685, 877, 1105, 1781, 2055, 2329, 2631, 3315, 4385, 5343, 6987, 8905, 11401, 11645, 13155, 14909, 26715, 30277, 34203, 34935, 44727, 57005, 74545, 90831, 120149, 151385, 171015, 193817, 223635, 360447, 454155, 581451, 600745, 969085, 1561937, 1802235, 2042533, 2907255, 4685811, 6127599, 7809685, 10212665, 23429055, 26552929, 30637995, 79658787, 132764645, 398293935]

約数ペア:

[(1, 398293935), (3, 132764645), (5, 79658787), (13, 30637995), (15, 26552929), (17, 23429055), (39, 10212665), (51, 7809685), (65, 6127599), (85, 4685811), (137, 2907255), (195, 2042533), (221, 1802235), (255, 1561937), (411, 969085), (663, 600745), (685, 581451), (877, 454155), (1105, 360447), (1781, 223635), (2055, 193817), (2329, 171015), (2631, 151385), (3315, 120149), (4385, 90831), (5343, 74545), (6987, 57005), (8905, 44727), (11401, 34935), (11645, 34203), (13155, 30277), (14909, 26715)]