289388316

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{25903}}^1$

素因数の和:25943

約数の個数: 72

約数和(自身を含む): 826855680

約数和(自身を除く): 537467364

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 19, 21, 28, 38, 42, 49, 57, 76, 84, 98, 114, 133, 147, 196, 228, 266, 294, 399, 532, 588, 798, 931, 1596, 1862, 2793, 3724, 5586, 11172, 25903, 51806, 77709, 103612, 155418, 181321, 310836, 362642, 492157, 543963, 725284, 984314, 1087926, 1269247, 1476471, 1968628, 2175852, 2538494, 2952942, 3445099, 3807741, 5076988, 5905884, 6890198, 7615482, 10335297, 13780396, 15230964, 20670594, 24115693, 41341188, 48231386, 72347079, 96462772, 144694158, 289388316]

約数ペア:

[(1, 289388316), (2, 144694158), (3, 96462772), (4, 72347079), (6, 48231386), (7, 41341188), (12, 24115693), (14, 20670594), (19, 15230964), (21, 13780396), (28, 10335297), (38, 7615482), (42, 6890198), (49, 5905884), (57, 5076988), (76, 3807741), (84, 3445099), (98, 2952942), (114, 2538494), (133, 2175852), (147, 1968628), (196, 1476471), (228, 1269247), (266, 1087926), (294, 984314), (399, 725284), (532, 543963), (588, 492157), (798, 362642), (931, 310836), (1596, 181321), (1862, 155418), (2793, 103612), (3724, 77709), (5586, 51806), (11172, 25903)]