1284991664

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{235519}}^1$

素因数の和:235569

約数の個数: 40

約数和(自身を含む): 2803630080

約数和(自身を除く): 1518638416

約数列:

[1, 2, 4, 8, 11, 16, 22, 31, 44, 62, 88, 124, 176, 248, 341, 496, 682, 1364, 2728, 5456, 235519, 471038, 942076, 1884152, 2590709, 3768304, 5181418, 7301089, 10362836, 14602178, 20725672, 29204356, 41451344, 58408712, 80311979, 116817424, 160623958, 321247916, 642495832, 1284991664]

約数ペア:

[(1, 1284991664), (2, 642495832), (4, 321247916), (8, 160623958), (11, 116817424), (16, 80311979), (22, 58408712), (31, 41451344), (44, 29204356), (62, 20725672), (88, 14602178), (124, 10362836), (176, 7301089), (248, 5181418), (341, 3768304), (496, 2590709), (682, 1884152), (1364, 942076), (2728, 471038), (5456, 235519)]