661000626722

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{947}}^1\times {\mathrm{158563}}^1$

素因数の和:159614

約数の個数: 32

約数和(自身を含む): 1039002660864

約数和(自身を除く): 378002034142

約数列:

[1, 2, 31, 62, 71, 142, 947, 1894, 2201, 4402, 29357, 58714, 67237, 134474, 158563, 317126, 2084347, 4168694, 4915453, 9830906, 11257973, 22515946, 150159161, 300318322, 348997163, 697994326, 4654933991, 9309867982, 10661300431, 21322600862, 330500313361, 661000626722]

約数ペア:

[(1, 661000626722), (2, 330500313361), (31, 21322600862), (62, 10661300431), (71, 9309867982), (142, 4654933991), (947, 697994326), (1894, 348997163), (2201, 300318322), (4402, 150159161), (29357, 22515946), (58714, 11257973), (67237, 9830906), (134474, 4915453), (158563, 4168694), (317126, 2084347)]