399913164

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{227}}^1\times {\mathrm{6991}}^1$

素因数の和:7235

約数の個数: 72

約数和(自身を含む): 1160560128

約数和(自身を除く): 760646964

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 227, 252, 454, 681, 908, 1362, 1589, 2043, 2724, 3178, 4086, 4767, 6356, 6991, 8172, 9534, 13982, 14301, 19068, 20973, 27964, 28602, 41946, 48937, 57204, 62919, 83892, 97874, 125838, 146811, 195748, 251676, 293622, 440433, 587244, 880866, 1586957, 1761732, 3173914, 4760871, 6347828, 9521742, 11108699, 14282613, 19043484, 22217398, 28565226, 33326097, 44434796, 57130452, 66652194, 99978291, 133304388, 199956582, 399913164]

約数ペア:

[(1, 399913164), (2, 199956582), (3, 133304388), (4, 99978291), (6, 66652194), (7, 57130452), (9, 44434796), (12, 33326097), (14, 28565226), (18, 22217398), (21, 19043484), (28, 14282613), (36, 11108699), (42, 9521742), (63, 6347828), (84, 4760871), (126, 3173914), (227, 1761732), (252, 1586957), (454, 880866), (681, 587244), (908, 440433), (1362, 293622), (1589, 251676), (2043, 195748), (2724, 146811), (3178, 125838), (4086, 97874), (4767, 83892), (6356, 62919), (6991, 57204), (8172, 48937), (9534, 41946), (13982, 28602), (14301, 27964), (19068, 20973)]