3988972005

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{157}}^1\times {\mathrm{1511}}^1$

素因数の和:1754

約数の個数: 64

約数和(自身を含む): 6880204800

約数和(自身を除く): 2891232795

約数列:

[1, 3, 5, 15, 19, 57, 59, 95, 157, 177, 285, 295, 471, 785, 885, 1121, 1511, 2355, 2983, 3363, 4533, 5605, 7555, 8949, 9263, 14915, 16815, 22665, 27789, 28709, 44745, 46315, 86127, 89149, 138945, 143545, 175997, 237227, 267447, 430635, 445745, 527991, 711681, 879985, 1186135, 1337235, 1693831, 2639955, 3558405, 4507313, 5081493, 8469155, 13521939, 13996393, 22536565, 25407465, 41989179, 67609695, 69981965, 209945895, 265931467, 797794401, 1329657335, 3988972005]

約数ペア:

[(1, 3988972005), (3, 1329657335), (5, 797794401), (15, 265931467), (19, 209945895), (57, 69981965), (59, 67609695), (95, 41989179), (157, 25407465), (177, 22536565), (285, 13996393), (295, 13521939), (471, 8469155), (785, 5081493), (885, 4507313), (1121, 3558405), (1511, 2639955), (2355, 1693831), (2983, 1337235), (3363, 1186135), (4533, 879985), (5605, 711681), (7555, 527991), (8949, 445745), (9263, 430635), (14915, 267447), (16815, 237227), (22665, 175997), (27789, 143545), (28709, 138945), (44745, 89149), (46315, 86127)]