16251235

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{191}}^1$

素因数の和:244

約数の個数: 64

約数和(自身を含む): 27869184

約数和(自身を除く): 11617949

約数列:

[1, 5, 7, 11, 13, 17, 35, 55, 65, 77, 85, 91, 119, 143, 187, 191, 221, 385, 455, 595, 715, 935, 955, 1001, 1105, 1309, 1337, 1547, 2101, 2431, 2483, 3247, 5005, 6545, 6685, 7735, 10505, 12155, 12415, 14707, 16235, 17017, 17381, 22729, 27313, 35717, 42211, 73535, 85085, 86905, 113645, 136565, 178585, 191191, 211055, 250019, 295477, 464321, 955955, 1250095, 1477385, 2321605, 3250247, 16251235]

約数ペア:

[(1, 16251235), (5, 3250247), (7, 2321605), (11, 1477385), (13, 1250095), (17, 955955), (35, 464321), (55, 295477), (65, 250019), (77, 211055), (85, 191191), (91, 178585), (119, 136565), (143, 113645), (187, 86905), (191, 85085), (221, 73535), (385, 42211), (455, 35717), (595, 27313), (715, 22729), (935, 17381), (955, 17017), (1001, 16235), (1105, 14707), (1309, 12415), (1337, 12155), (1547, 10505), (2101, 7735), (2431, 6685), (2483, 6545), (3247, 5005)]