16640715

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{167}}^1$

素因数の和:268

約数の個数: 64

約数和(自身を含む): 33417216

約数和(自身を除く): 16776501

約数列:

[1, 3, 5, 7, 13, 15, 21, 35, 39, 65, 73, 91, 105, 167, 195, 219, 273, 365, 455, 501, 511, 835, 949, 1095, 1169, 1365, 1533, 2171, 2505, 2555, 2847, 3507, 4745, 5845, 6513, 6643, 7665, 10855, 12191, 14235, 15197, 17535, 19929, 32565, 33215, 36573, 45591, 60955, 75985, 85337, 99645, 158483, 182865, 227955, 256011, 426685, 475449, 792415, 1109381, 1280055, 2377245, 3328143, 5546905, 16640715]

約数ペア:

[(1, 16640715), (3, 5546905), (5, 3328143), (7, 2377245), (13, 1280055), (15, 1109381), (21, 792415), (35, 475449), (39, 426685), (65, 256011), (73, 227955), (91, 182865), (105, 158483), (167, 99645), (195, 85337), (219, 75985), (273, 60955), (365, 45591), (455, 36573), (501, 33215), (511, 32565), (835, 19929), (949, 17535), (1095, 15197), (1169, 14235), (1365, 12191), (1533, 10855), (2171, 7665), (2505, 6643), (2555, 6513), (2847, 5845), (3507, 4745)]