31619874

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{269}}^1$

素因数の和:435

約数の個数: 64

約数和(自身を含む): 75116160

約数和(自身を除く): 43496286

約数列:

[1, 2, 3, 6, 11, 13, 22, 26, 33, 39, 66, 78, 137, 143, 269, 274, 286, 411, 429, 538, 807, 822, 858, 1507, 1614, 1781, 2959, 3014, 3497, 3562, 4521, 5343, 5918, 6994, 8877, 9042, 10491, 10686, 17754, 19591, 20982, 36853, 38467, 39182, 58773, 73706, 76934, 110559, 115401, 117546, 221118, 230802, 405383, 479089, 810766, 958178, 1216149, 1437267, 2432298, 2874534, 5269979, 10539958, 15809937, 31619874]

約数ペア:

[(1, 31619874), (2, 15809937), (3, 10539958), (6, 5269979), (11, 2874534), (13, 2432298), (22, 1437267), (26, 1216149), (33, 958178), (39, 810766), (66, 479089), (78, 405383), (137, 230802), (143, 221118), (269, 117546), (274, 115401), (286, 110559), (411, 76934), (429, 73706), (538, 58773), (807, 39182), (822, 38467), (858, 36853), (1507, 20982), (1614, 19591), (1781, 17754), (2959, 10686), (3014, 10491), (3497, 9042), (3562, 8877), (4521, 6994), (5343, 5918)]