1228654

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{149}}^1$

素因数の和:208

約数の個数: 32

約数和(自身を含む): 2304000

約数和(自身を除く): 1075346

約数列:

[1, 2, 7, 14, 19, 31, 38, 62, 133, 149, 217, 266, 298, 434, 589, 1043, 1178, 2086, 2831, 4123, 4619, 5662, 8246, 9238, 19817, 32333, 39634, 64666, 87761, 175522, 614327, 1228654]

約数ペア:

[(1, 1228654), (2, 614327), (7, 175522), (14, 87761), (19, 64666), (31, 39634), (38, 32333), (62, 19817), (133, 9238), (149, 8246), (217, 5662), (266, 4619), (298, 4123), (434, 2831), (589, 2086), (1043, 1178)]