666531410

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{139}}^1\times {\mathrm{421}}^1$

素因数の和:651

約数の個数: 64

約数和(自身を含む): 1301650560

約数和(自身を除く): 635119150

約数列:

[1, 2, 5, 10, 17, 34, 67, 85, 134, 139, 170, 278, 335, 421, 670, 695, 842, 1139, 1390, 2105, 2278, 2363, 4210, 4726, 5695, 7157, 9313, 11390, 11815, 14314, 18626, 23630, 28207, 35785, 46565, 56414, 58519, 71570, 93130, 117038, 141035, 158321, 282070, 292595, 316642, 479519, 585190, 791605, 959038, 994823, 1583210, 1989646, 2397595, 3920773, 4795190, 4974115, 7841546, 9948230, 19603865, 39207730, 66653141, 133306282, 333265705, 666531410]

約数ペア:

[(1, 666531410), (2, 333265705), (5, 133306282), (10, 66653141), (17, 39207730), (34, 19603865), (67, 9948230), (85, 7841546), (134, 4974115), (139, 4795190), (170, 3920773), (278, 2397595), (335, 1989646), (421, 1583210), (670, 994823), (695, 959038), (842, 791605), (1139, 585190), (1390, 479519), (2105, 316642), (2278, 292595), (2363, 282070), (4210, 158321), (4726, 141035), (5695, 117038), (7157, 93130), (9313, 71570), (11390, 58519), (11815, 56414), (14314, 46565), (18626, 35785), (23630, 28207)]