1999761764

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{16111}}^1$

素因数の和:16177

約数の個数: 96

約数和(自身を含む): 4850614272

約数和(自身を除く): 2850852508

約数列:

[1, 2, 4, 7, 11, 13, 14, 22, 26, 28, 31, 44, 52, 62, 77, 91, 124, 143, 154, 182, 217, 286, 308, 341, 364, 403, 434, 572, 682, 806, 868, 1001, 1364, 1612, 2002, 2387, 2821, 4004, 4433, 4774, 5642, 8866, 9548, 11284, 16111, 17732, 31031, 32222, 62062, 64444, 112777, 124124, 177221, 209443, 225554, 354442, 418886, 451108, 499441, 708884, 837772, 998882, 1240547, 1466101, 1997764, 2303873, 2481094, 2932202, 3496087, 4607746, 4962188, 5493851, 5864404, 6492733, 6992174, 9215492, 10987702, 12985466, 13984348, 16127111, 21975404, 25970932, 32254222, 38456957, 45449131, 64508444, 71420063, 76913914, 90898262, 142840126, 153827828, 181796524, 285680252, 499940441, 999880882, 1999761764]

約数ペア:

[(1, 1999761764), (2, 999880882), (4, 499940441), (7, 285680252), (11, 181796524), (13, 153827828), (14, 142840126), (22, 90898262), (26, 76913914), (28, 71420063), (31, 64508444), (44, 45449131), (52, 38456957), (62, 32254222), (77, 25970932), (91, 21975404), (124, 16127111), (143, 13984348), (154, 12985466), (182, 10987702), (217, 9215492), (286, 6992174), (308, 6492733), (341, 5864404), (364, 5493851), (403, 4962188), (434, 4607746), (572, 3496087), (682, 2932202), (806, 2481094), (868, 2303873), (1001, 1997764), (1364, 1466101), (1612, 1240547), (2002, 998882), (2387, 837772), (2821, 708884), (4004, 499441), (4433, 451108), (4774, 418886), (5642, 354442), (8866, 225554), (9548, 209443), (11284, 177221), (16111, 124124), (17732, 112777), (31031, 64444), (32222, 62062)]