28803970

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{3307}}^1$

素因数の和:3394

約数の個数: 32

約数和(自身を含む): 56685888

約数和(自身を除く): 27881918

約数列:

[1, 2, 5, 10, 13, 26, 65, 67, 130, 134, 335, 670, 871, 1742, 3307, 4355, 6614, 8710, 16535, 33070, 42991, 85982, 214955, 221569, 429910, 443138, 1107845, 2215690, 2880397, 5760794, 14401985, 28803970]

約数ペア:

[(1, 28803970), (2, 14401985), (5, 5760794), (10, 2880397), (13, 2215690), (26, 1107845), (65, 443138), (67, 429910), (130, 221569), (134, 214955), (335, 85982), (670, 42991), (871, 33070), (1742, 16535), (3307, 8710), (4355, 6614)]