401980712

素因数分解:

$2^3\times 7^2\times {\mathrm{787}}^1\times {\mathrm{1303}}^1$

素因数の和:2110

約数の個数: 48

約数和(自身を含む): 878556960

約数和(自身を除く): 476576248

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 196, 392, 787, 1303, 1574, 2606, 3148, 5212, 5509, 6296, 9121, 10424, 11018, 18242, 22036, 36484, 38563, 44072, 63847, 72968, 77126, 127694, 154252, 255388, 308504, 510776, 1025461, 2050922, 4101844, 7178227, 8203688, 14356454, 28712908, 50247589, 57425816, 100495178, 200990356, 401980712]

約数ペア:

[(1, 401980712), (2, 200990356), (4, 100495178), (7, 57425816), (8, 50247589), (14, 28712908), (28, 14356454), (49, 8203688), (56, 7178227), (98, 4101844), (196, 2050922), (392, 1025461), (787, 510776), (1303, 308504), (1574, 255388), (2606, 154252), (3148, 127694), (5212, 77126), (5509, 72968), (6296, 63847), (9121, 44072), (10424, 38563), (11018, 36484), (18242, 22036)]