1640384004

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{1109}}^1\times {\mathrm{17609}}^1$

素因数の和:18732

約数の個数: 48

約数和(自身を含む): 4378550400

約数和(自身を除く): 2738166396

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 1109, 2218, 3327, 4436, 6654, 7763, 13308, 15526, 17609, 23289, 31052, 35218, 46578, 52827, 70436, 93156, 105654, 123263, 211308, 246526, 369789, 493052, 739578, 1479156, 19528381, 39056762, 58585143, 78113524, 117170286, 136698667, 234340572, 273397334, 410096001, 546794668, 820192002, 1640384004]

約数ペア:

[(1, 1640384004), (2, 820192002), (3, 546794668), (4, 410096001), (6, 273397334), (7, 234340572), (12, 136698667), (14, 117170286), (21, 78113524), (28, 58585143), (42, 39056762), (84, 19528381), (1109, 1479156), (2218, 739578), (3327, 493052), (4436, 369789), (6654, 246526), (7763, 211308), (13308, 123263), (15526, 105654), (17609, 93156), (23289, 70436), (31052, 52827), (35218, 46578)]