16557944

素因数分解:

$2^3\times {\mathrm{13}}^2\times {\mathrm{37}}^1\times {\mathrm{331}}^1$

素因数の和:400

約数の個数: 48

約数和(自身を含む): 34630920

約数和(自身を除く): 18072976

約数列:

[1, 2, 4, 8, 13, 26, 37, 52, 74, 104, 148, 169, 296, 331, 338, 481, 662, 676, 962, 1324, 1352, 1924, 2648, 3848, 4303, 6253, 8606, 12247, 12506, 17212, 24494, 25012, 34424, 48988, 50024, 55939, 97976, 111878, 159211, 223756, 318422, 447512, 636844, 1273688, 2069743, 4139486, 8278972, 16557944]

約数ペア:

[(1, 16557944), (2, 8278972), (4, 4139486), (8, 2069743), (13, 1273688), (26, 636844), (37, 447512), (52, 318422), (74, 223756), (104, 159211), (148, 111878), (169, 97976), (296, 55939), (331, 50024), (338, 48988), (481, 34424), (662, 25012), (676, 24494), (962, 17212), (1324, 12506), (1352, 12247), (1924, 8606), (2648, 6253), (3848, 4303)]