648278964

素因数分解:

$2^2\times 3^4\times {\mathrm{61}}^1\times {\mathrm{32801}}^1$

素因数の和:32878

約数の個数: 60

約数和(自身を含む): 1722564228

約数和(自身を除く): 1074285264

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 61, 81, 108, 122, 162, 183, 244, 324, 366, 549, 732, 1098, 1647, 2196, 3294, 4941, 6588, 9882, 19764, 32801, 65602, 98403, 131204, 196806, 295209, 393612, 590418, 885627, 1180836, 1771254, 2000861, 2656881, 3542508, 4001722, 5313762, 6002583, 8003444, 10627524, 12005166, 18007749, 24010332, 36015498, 54023247, 72030996, 108046494, 162069741, 216092988, 324139482, 648278964]

約数ペア:

[(1, 648278964), (2, 324139482), (3, 216092988), (4, 162069741), (6, 108046494), (9, 72030996), (12, 54023247), (18, 36015498), (27, 24010332), (36, 18007749), (54, 12005166), (61, 10627524), (81, 8003444), (108, 6002583), (122, 5313762), (162, 4001722), (183, 3542508), (244, 2656881), (324, 2000861), (366, 1771254), (549, 1180836), (732, 885627), (1098, 590418), (1647, 393612), (2196, 295209), (3294, 196806), (4941, 131204), (6588, 98403), (9882, 65602), (19764, 32801)]