16503916

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1$

素因数の和:143

約数の個数: 72

約数和(自身を含む): 35556752

約数和(自身を除く): 19052836

約数列:

[1, 2, 4, 11, 13, 22, 26, 43, 44, 52, 61, 86, 121, 122, 143, 172, 242, 244, 286, 473, 484, 559, 572, 671, 793, 946, 1118, 1342, 1573, 1586, 1892, 2236, 2623, 2684, 3146, 3172, 5203, 5246, 6149, 6292, 7381, 8723, 10406, 10492, 12298, 14762, 17446, 20812, 24596, 28853, 29524, 34099, 34892, 57706, 67639, 68198, 95953, 115412, 135278, 136396, 191906, 270556, 317383, 375089, 383812, 634766, 750178, 1269532, 1500356, 4125979, 8251958, 16503916]

約数ペア:

[(1, 16503916), (2, 8251958), (4, 4125979), (11, 1500356), (13, 1269532), (22, 750178), (26, 634766), (43, 383812), (44, 375089), (52, 317383), (61, 270556), (86, 191906), (121, 136396), (122, 135278), (143, 115412), (172, 95953), (242, 68198), (244, 67639), (286, 57706), (473, 34892), (484, 34099), (559, 29524), (572, 28853), (671, 24596), (793, 20812), (946, 17446), (1118, 14762), (1342, 12298), (1573, 10492), (1586, 10406), (1892, 8723), (2236, 7381), (2623, 6292), (2684, 6149), (3146, 5246), (3172, 5203)]