661977252

素因数分解:

$2^2\times 3^3\times {\mathrm{19}}^2\times {\mathrm{16979}}^1$

素因数の和:17030

約数の個数: 72

約数和(自身を含む): 1811426400

約数和(自身を除く): 1149449148

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 27, 36, 38, 54, 57, 76, 108, 114, 171, 228, 342, 361, 513, 684, 722, 1026, 1083, 1444, 2052, 2166, 3249, 4332, 6498, 9747, 12996, 16979, 19494, 33958, 38988, 50937, 67916, 101874, 152811, 203748, 305622, 322601, 458433, 611244, 645202, 916866, 967803, 1290404, 1833732, 1935606, 2903409, 3871212, 5806818, 6129419, 8710227, 11613636, 12258838, 17420454, 18388257, 24517676, 34840908, 36776514, 55164771, 73553028, 110329542, 165494313, 220659084, 330988626, 661977252]

約数ペア:

[(1, 661977252), (2, 330988626), (3, 220659084), (4, 165494313), (6, 110329542), (9, 73553028), (12, 55164771), (18, 36776514), (19, 34840908), (27, 24517676), (36, 18388257), (38, 17420454), (54, 12258838), (57, 11613636), (76, 8710227), (108, 6129419), (114, 5806818), (171, 3871212), (228, 2903409), (342, 1935606), (361, 1833732), (513, 1290404), (684, 967803), (722, 916866), (1026, 645202), (1083, 611244), (1444, 458433), (2052, 322601), (2166, 305622), (3249, 203748), (4332, 152811), (6498, 101874), (9747, 67916), (12996, 50937), (16979, 38988), (19494, 33958)]