256530472

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{78787}}^1$

素因数の和:78841

約数の個数: 32

約数和(自身を含む): 538909920

約数和(自身を除く): 282379448

約数列:

[1, 2, 4, 8, 11, 22, 37, 44, 74, 88, 148, 296, 407, 814, 1628, 3256, 78787, 157574, 315148, 630296, 866657, 1733314, 2915119, 3466628, 5830238, 6933256, 11660476, 23320952, 32066309, 64132618, 128265236, 256530472]

約数ペア:

[(1, 256530472), (2, 128265236), (4, 64132618), (8, 32066309), (11, 23320952), (22, 11660476), (37, 6933256), (44, 5830238), (74, 3466628), (88, 2915119), (148, 1733314), (296, 866657), (407, 630296), (814, 315148), (1628, 157574), (3256, 78787)]