248181855

素因数分解:

$3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{199}}^1$

素因数の和:344

約数の個数: 64

約数和(自身を含む): 428544000

約数和(自身を除く): 180362145

約数列:

[1, 3, 5, 15, 29, 47, 61, 87, 141, 145, 183, 199, 235, 305, 435, 597, 705, 915, 995, 1363, 1769, 2867, 2985, 4089, 5307, 5771, 6815, 8601, 8845, 9353, 12139, 14335, 17313, 20445, 26535, 28059, 28855, 36417, 43005, 46765, 60695, 83143, 86565, 140295, 182085, 249429, 271237, 352031, 415715, 570533, 813711, 1056093, 1247145, 1356185, 1711599, 1760155, 2852665, 4068555, 5280465, 8557995, 16545457, 49636371, 82727285, 248181855]

約数ペア:

[(1, 248181855), (3, 82727285), (5, 49636371), (15, 16545457), (29, 8557995), (47, 5280465), (61, 4068555), (87, 2852665), (141, 1760155), (145, 1711599), (183, 1356185), (199, 1247145), (235, 1056093), (305, 813711), (435, 570533), (597, 415715), (705, 352031), (915, 271237), (995, 249429), (1363, 182085), (1769, 140295), (2867, 86565), (2985, 83143), (4089, 60695), (5307, 46765), (5771, 43005), (6815, 36417), (8601, 28855), (8845, 28059), (9353, 26535), (12139, 20445), (14335, 17313)]