16213665

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{73}}^1$

素因数の和:178

約数の個数: 64

約数和(自身を含む): 30433536

約数和(自身を除く): 14219871

約数列:

[1, 3, 5, 13, 15, 17, 39, 51, 65, 67, 73, 85, 195, 201, 219, 221, 255, 335, 365, 663, 871, 949, 1005, 1095, 1105, 1139, 1241, 2613, 2847, 3315, 3417, 3723, 4355, 4745, 4891, 5695, 6205, 13065, 14235, 14673, 14807, 16133, 17085, 18615, 24455, 44421, 48399, 63583, 73365, 74035, 80665, 83147, 190749, 222105, 241995, 249441, 317915, 415735, 953745, 1080911, 1247205, 3242733, 5404555, 16213665]

約数ペア:

[(1, 16213665), (3, 5404555), (5, 3242733), (13, 1247205), (15, 1080911), (17, 953745), (39, 415735), (51, 317915), (65, 249441), (67, 241995), (73, 222105), (85, 190749), (195, 83147), (201, 80665), (219, 74035), (221, 73365), (255, 63583), (335, 48399), (365, 44421), (663, 24455), (871, 18615), (949, 17085), (1005, 16133), (1095, 14807), (1105, 14673), (1139, 14235), (1241, 13065), (2613, 6205), (2847, 5695), (3315, 4891), (3417, 4745), (3723, 4355)]