666599444

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{26423}}^1$

素因数の和:26504

約数の個数: 48

約数和(自身を含む): 1438311168

約数和(自身を除く): 771711724

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 53, 68, 106, 119, 212, 238, 371, 476, 742, 901, 1484, 1802, 3604, 6307, 12614, 25228, 26423, 52846, 105692, 184961, 369922, 449191, 739844, 898382, 1400419, 1796764, 2800838, 3144337, 5601676, 6288674, 9802933, 12577348, 19605866, 23807123, 39211732, 47614246, 95228492, 166649861, 333299722, 666599444]

約数ペア:

[(1, 666599444), (2, 333299722), (4, 166649861), (7, 95228492), (14, 47614246), (17, 39211732), (28, 23807123), (34, 19605866), (53, 12577348), (68, 9802933), (106, 6288674), (119, 5601676), (212, 3144337), (238, 2800838), (371, 1796764), (476, 1400419), (742, 898382), (901, 739844), (1484, 449191), (1802, 369922), (3604, 184961), (6307, 105692), (12614, 52846), (25228, 26423)]