25395172

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{821}}^1$

素因数の和:892

約数の個数: 48

約数和(自身を含む): 52476480

約数和(自身を除く): 27081308

約数列:

[1, 2, 4, 11, 19, 22, 37, 38, 44, 74, 76, 148, 209, 407, 418, 703, 814, 821, 836, 1406, 1628, 1642, 2812, 3284, 7733, 9031, 15466, 15599, 18062, 30377, 30932, 31198, 36124, 60754, 62396, 121508, 171589, 334147, 343178, 577163, 668294, 686356, 1154326, 1336588, 2308652, 6348793, 12697586, 25395172]

約数ペア:

[(1, 25395172), (2, 12697586), (4, 6348793), (11, 2308652), (19, 1336588), (22, 1154326), (37, 686356), (38, 668294), (44, 577163), (74, 343178), (76, 334147), (148, 171589), (209, 121508), (407, 62396), (418, 60754), (703, 36124), (814, 31198), (821, 30932), (836, 30377), (1406, 18062), (1628, 15599), (1642, 15466), (2812, 9031), (3284, 7733)]