1977875298

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{877}}^1\times {\mathrm{2557}}^1$

素因数の和:3456

約数の個数: 72

約数和(自身を含む): 4992689052

約数和(自身を除く): 3014813754

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 49, 63, 98, 126, 147, 294, 441, 877, 882, 1754, 2557, 2631, 5114, 5262, 6139, 7671, 7893, 12278, 15342, 15786, 17899, 18417, 23013, 35798, 36834, 42973, 46026, 53697, 55251, 85946, 107394, 110502, 125293, 128919, 161091, 250586, 257838, 322182, 375879, 386757, 751758, 773514, 1127637, 2242489, 2255274, 4484978, 6727467, 13454934, 15697423, 20182401, 31394846, 40364802, 47092269, 94184538, 109881961, 141276807, 219763922, 282553614, 329645883, 659291766, 988937649, 1977875298]

約数ペア:

[(1, 1977875298), (2, 988937649), (3, 659291766), (6, 329645883), (7, 282553614), (9, 219763922), (14, 141276807), (18, 109881961), (21, 94184538), (42, 47092269), (49, 40364802), (63, 31394846), (98, 20182401), (126, 15697423), (147, 13454934), (294, 6727467), (441, 4484978), (877, 2255274), (882, 2242489), (1754, 1127637), (2557, 773514), (2631, 751758), (5114, 386757), (5262, 375879), (6139, 322182), (7671, 257838), (7893, 250586), (12278, 161091), (15342, 128919), (15786, 125293), (17899, 110502), (18417, 107394), (23013, 85946), (35798, 55251), (36834, 53697), (42973, 46026)]