990147228

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{620393}}^1$

素因数の和:620426

約数の個数: 48

約数和(自身を含む): 2779365120

約数和(自身を除く): 1789217892

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 19, 21, 28, 38, 42, 57, 76, 84, 114, 133, 228, 266, 399, 532, 798, 1596, 620393, 1240786, 1861179, 2481572, 3722358, 4342751, 7444716, 8685502, 11787467, 13028253, 17371004, 23574934, 26056506, 35362401, 47149868, 52113012, 70724802, 82512269, 141449604, 165024538, 247536807, 330049076, 495073614, 990147228]

約数ペア:

[(1, 990147228), (2, 495073614), (3, 330049076), (4, 247536807), (6, 165024538), (7, 141449604), (12, 82512269), (14, 70724802), (19, 52113012), (21, 47149868), (28, 35362401), (38, 26056506), (42, 23574934), (57, 17371004), (76, 13028253), (84, 11787467), (114, 8685502), (133, 7444716), (228, 4342751), (266, 3722358), (399, 2481572), (532, 1861179), (798, 1240786), (1596, 620393)]