81324516

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{10639}}^1$

素因数の和:10673

約数の個数: 72

約数和(自身を含む): 237740160

約数和(自身を除く): 156415644

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 21, 26, 28, 39, 42, 49, 52, 78, 84, 91, 98, 147, 156, 182, 196, 273, 294, 364, 546, 588, 637, 1092, 1274, 1911, 2548, 3822, 7644, 10639, 21278, 31917, 42556, 63834, 74473, 127668, 138307, 148946, 223419, 276614, 297892, 414921, 446838, 521311, 553228, 829842, 893676, 968149, 1042622, 1563933, 1659684, 1936298, 2085244, 2904447, 3127866, 3872596, 5808894, 6255732, 6777043, 11617788, 13554086, 20331129, 27108172, 40662258, 81324516]

約数ペア:

[(1, 81324516), (2, 40662258), (3, 27108172), (4, 20331129), (6, 13554086), (7, 11617788), (12, 6777043), (13, 6255732), (14, 5808894), (21, 3872596), (26, 3127866), (28, 2904447), (39, 2085244), (42, 1936298), (49, 1659684), (52, 1563933), (78, 1042622), (84, 968149), (91, 893676), (98, 829842), (147, 553228), (156, 521311), (182, 446838), (196, 414921), (273, 297892), (294, 276614), (364, 223419), (546, 148946), (588, 138307), (637, 127668), (1092, 74473), (1274, 63834), (1911, 42556), (2548, 31917), (3822, 21278), (7644, 10639)]