221681376

素因数分解:

$2^5\times 3^2\times 7^1\times {\mathrm{109961}}^1$

素因数の和:109984

約数の個数: 72

約数和(自身を含む): 720471024

約数和(自身を除く): 498789648

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 32, 36, 42, 48, 56, 63, 72, 84, 96, 112, 126, 144, 168, 224, 252, 288, 336, 504, 672, 1008, 2016, 109961, 219922, 329883, 439844, 659766, 769727, 879688, 989649, 1319532, 1539454, 1759376, 1979298, 2309181, 2639064, 3078908, 3518752, 3958596, 4618362, 5278128, 6157816, 6927543, 7917192, 9236724, 10556256, 12315632, 13855086, 15834384, 18473448, 24631264, 27710172, 31668768, 36946896, 55420344, 73893792, 110840688, 221681376]

約数ペア:

[(1, 221681376), (2, 110840688), (3, 73893792), (4, 55420344), (6, 36946896), (7, 31668768), (8, 27710172), (9, 24631264), (12, 18473448), (14, 15834384), (16, 13855086), (18, 12315632), (21, 10556256), (24, 9236724), (28, 7917192), (32, 6927543), (36, 6157816), (42, 5278128), (48, 4618362), (56, 3958596), (63, 3518752), (72, 3078908), (84, 2639064), (96, 2309181), (112, 1979298), (126, 1759376), (144, 1539454), (168, 1319532), (224, 989649), (252, 879688), (288, 769727), (336, 659766), (504, 439844), (672, 329883), (1008, 219922), (2016, 109961)]