287886404

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{4349}}^1$

素因数の和:4452

約数の個数: 48

約数和(自身を含む): 579768000

約数和(自身を除く): 291881596

約数列:

[1, 2, 4, 13, 19, 26, 38, 52, 67, 76, 134, 247, 268, 494, 871, 988, 1273, 1742, 2546, 3484, 4349, 5092, 8698, 16549, 17396, 33098, 56537, 66196, 82631, 113074, 165262, 226148, 291383, 330524, 582766, 1074203, 1165532, 2148406, 3787979, 4296812, 5536277, 7575958, 11072554, 15151916, 22145108, 71971601, 143943202, 287886404]

約数ペア:

[(1, 287886404), (2, 143943202), (4, 71971601), (13, 22145108), (19, 15151916), (26, 11072554), (38, 7575958), (52, 5536277), (67, 4296812), (76, 3787979), (134, 2148406), (247, 1165532), (268, 1074203), (494, 582766), (871, 330524), (988, 291383), (1273, 226148), (1742, 165262), (2546, 113074), (3484, 82631), (4349, 66196), (5092, 56537), (8698, 33098), (16549, 17396)]