28517944

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{911}}^1$

素因数の和:980

約数の個数: 64

約数和(自身を含む): 67415040

約数和(自身を除く): 38897096

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 43, 52, 56, 86, 91, 104, 172, 182, 301, 344, 364, 559, 602, 728, 911, 1118, 1204, 1822, 2236, 2408, 3644, 3913, 4472, 6377, 7288, 7826, 11843, 12754, 15652, 23686, 25508, 31304, 39173, 47372, 51016, 78346, 82901, 94744, 156692, 165802, 274211, 313384, 331604, 509249, 548422, 663208, 1018498, 1096844, 2036996, 2193688, 3564743, 4073992, 7129486, 14258972, 28517944]

約数ペア:

[(1, 28517944), (2, 14258972), (4, 7129486), (7, 4073992), (8, 3564743), (13, 2193688), (14, 2036996), (26, 1096844), (28, 1018498), (43, 663208), (52, 548422), (56, 509249), (86, 331604), (91, 313384), (104, 274211), (172, 165802), (182, 156692), (301, 94744), (344, 82901), (364, 78346), (559, 51016), (602, 47372), (728, 39173), (911, 31304), (1118, 25508), (1204, 23686), (1822, 15652), (2236, 12754), (2408, 11843), (3644, 7826), (3913, 7288), (4472, 6377)]