127881572

素因数分解:

$2^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1619}}^1$

素因数の和:1681

約数の個数: 72

約数和(自身を含む): 289578240

約数和(自身を除く): 161696668

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 31, 49, 52, 62, 91, 98, 124, 182, 196, 217, 364, 403, 434, 637, 806, 868, 1274, 1519, 1612, 1619, 2548, 2821, 3038, 3238, 5642, 6076, 6476, 11284, 11333, 19747, 21047, 22666, 39494, 42094, 45332, 50189, 78988, 79331, 84188, 100378, 147329, 158662, 200756, 294658, 317324, 351323, 589316, 652457, 702646, 1031303, 1304914, 1405292, 2062606, 2459261, 2609828, 4125212, 4567199, 4918522, 9134398, 9837044, 18268796, 31970393, 63940786, 127881572]

約数ペア:

[(1, 127881572), (2, 63940786), (4, 31970393), (7, 18268796), (13, 9837044), (14, 9134398), (26, 4918522), (28, 4567199), (31, 4125212), (49, 2609828), (52, 2459261), (62, 2062606), (91, 1405292), (98, 1304914), (124, 1031303), (182, 702646), (196, 652457), (217, 589316), (364, 351323), (403, 317324), (434, 294658), (637, 200756), (806, 158662), (868, 147329), (1274, 100378), (1519, 84188), (1612, 79331), (1619, 78988), (2548, 50189), (2821, 45332), (3038, 42094), (3238, 39494), (5642, 22666), (6076, 21047), (6476, 19747), (11284, 11333)]