16404990

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{191}}^1\times {\mathrm{409}}^1$

素因数の和:617

約数の個数: 64

約数和(自身を含む): 45342720

約数和(自身を除く): 28937730

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 191, 210, 382, 409, 573, 818, 955, 1146, 1227, 1337, 1910, 2045, 2454, 2674, 2863, 2865, 4011, 4090, 5726, 5730, 6135, 6685, 8022, 8589, 12270, 13370, 14315, 17178, 20055, 28630, 40110, 42945, 78119, 85890, 156238, 234357, 390595, 468714, 546833, 781190, 1093666, 1171785, 1640499, 2343570, 2734165, 3280998, 5468330, 8202495, 16404990]

約数ペア:

[(1, 16404990), (2, 8202495), (3, 5468330), (5, 3280998), (6, 2734165), (7, 2343570), (10, 1640499), (14, 1171785), (15, 1093666), (21, 781190), (30, 546833), (35, 468714), (42, 390595), (70, 234357), (105, 156238), (191, 85890), (210, 78119), (382, 42945), (409, 40110), (573, 28630), (818, 20055), (955, 17178), (1146, 14315), (1227, 13370), (1337, 12270), (1910, 8589), (2045, 8022), (2454, 6685), (2674, 6135), (2863, 5730), (2865, 5726), (4011, 4090)]