28744492

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{761}}^1$

素因数の和:862

約数の個数: 48

約数和(自身を含む): 61447680

約数和(自身を除く): 32703188

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 71, 76, 133, 142, 266, 284, 497, 532, 761, 994, 1349, 1522, 1988, 2698, 3044, 5327, 5396, 9443, 10654, 14459, 18886, 21308, 28918, 37772, 54031, 57836, 101213, 108062, 202426, 216124, 378217, 404852, 756434, 1026589, 1512868, 2053178, 4106356, 7186123, 14372246, 28744492]

約数ペア:

[(1, 28744492), (2, 14372246), (4, 7186123), (7, 4106356), (14, 2053178), (19, 1512868), (28, 1026589), (38, 756434), (71, 404852), (76, 378217), (133, 216124), (142, 202426), (266, 108062), (284, 101213), (497, 57836), (532, 54031), (761, 37772), (994, 28918), (1349, 21308), (1522, 18886), (1988, 14459), (2698, 10654), (3044, 9443), (5327, 5396)]