505293855

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{131}}^1\times {\mathrm{241}}^1$

素因数の和:488

約数の個数: 64

約数和(自身を含む): 901587456

約数和(自身を除く): 396293601

約数列:

[1, 3, 5, 11, 15, 33, 55, 97, 131, 165, 241, 291, 393, 485, 655, 723, 1067, 1205, 1441, 1455, 1965, 2651, 3201, 3615, 4323, 5335, 7205, 7953, 12707, 13255, 16005, 21615, 23377, 31571, 38121, 39765, 63535, 70131, 94713, 116885, 139777, 157855, 190605, 257147, 347281, 350655, 419331, 473565, 698885, 771441, 1041843, 1285735, 1736405, 2096655, 3062387, 3857205, 5209215, 9187161, 15311935, 33686257, 45935805, 101058771, 168431285, 505293855]

約数ペア:

[(1, 505293855), (3, 168431285), (5, 101058771), (11, 45935805), (15, 33686257), (33, 15311935), (55, 9187161), (97, 5209215), (131, 3857205), (165, 3062387), (241, 2096655), (291, 1736405), (393, 1285735), (485, 1041843), (655, 771441), (723, 698885), (1067, 473565), (1205, 419331), (1441, 350655), (1455, 347281), (1965, 257147), (2651, 190605), (3201, 157855), (3615, 139777), (4323, 116885), (5335, 94713), (7205, 70131), (7953, 63535), (12707, 39765), (13255, 38121), (16005, 31571), (21615, 23377)]