15721497012

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{409}}^1\times {\mathrm{246403}}^1$

素因数の和:246832

約数の個数: 48

約数和(自身を含む): 39602050880

約数和(自身を除く): 23880553868

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 409, 818, 1227, 1636, 2454, 4908, 5317, 10634, 15951, 21268, 31902, 63804, 246403, 492806, 739209, 985612, 1478418, 2956836, 3203239, 6406478, 9609717, 12812956, 19219434, 38438868, 100778827, 201557654, 302336481, 403115308, 604672962, 1209345924, 1310124751, 2620249502, 3930374253, 5240499004, 7860748506, 15721497012]

約数ペア:

[(1, 15721497012), (2, 7860748506), (3, 5240499004), (4, 3930374253), (6, 2620249502), (12, 1310124751), (13, 1209345924), (26, 604672962), (39, 403115308), (52, 302336481), (78, 201557654), (156, 100778827), (409, 38438868), (818, 19219434), (1227, 12812956), (1636, 9609717), (2454, 6406478), (4908, 3203239), (5317, 2956836), (10634, 1478418), (15951, 985612), (21268, 739209), (31902, 492806), (63804, 246403)]