1280451466

素因数分解:

$2^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{149}}^1\times {\mathrm{19801}}^1$

素因数の和:19990

約数の個数: 32

約数和(自身を含む): 2281190400

約数和(自身を除く): 1000738934

約数列:

[1, 2, 7, 14, 31, 62, 149, 217, 298, 434, 1043, 2086, 4619, 9238, 19801, 32333, 39602, 64666, 138607, 277214, 613831, 1227662, 2950349, 4296817, 5900698, 8593634, 20652443, 41304886, 91460819, 182921638, 640225733, 1280451466]

約数ペア:

[(1, 1280451466), (2, 640225733), (7, 182921638), (14, 91460819), (31, 41304886), (62, 20652443), (149, 8593634), (217, 5900698), (298, 4296817), (434, 2950349), (1043, 1227662), (2086, 613831), (4619, 277214), (9238, 138607), (19801, 64666), (32333, 39602)]