66788778

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{131}}^1\times {\mathrm{199}}^1$

素因数の和:403

約数の個数: 64

約数和(自身を含む): 157132800

約数和(自身を除く): 90344022

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 61, 122, 131, 183, 199, 262, 366, 393, 398, 427, 597, 786, 854, 917, 1194, 1281, 1393, 1834, 2562, 2751, 2786, 4179, 5502, 7991, 8358, 12139, 15982, 23973, 24278, 26069, 36417, 47946, 52138, 55937, 72834, 78207, 84973, 111874, 156414, 167811, 169946, 182483, 254919, 335622, 364966, 509838, 547449, 1094898, 1590209, 3180418, 4770627, 9541254, 11131463, 22262926, 33394389, 66788778]

約数ペア:

[(1, 66788778), (2, 33394389), (3, 22262926), (6, 11131463), (7, 9541254), (14, 4770627), (21, 3180418), (42, 1590209), (61, 1094898), (122, 547449), (131, 509838), (183, 364966), (199, 335622), (262, 254919), (366, 182483), (393, 169946), (398, 167811), (427, 156414), (597, 111874), (786, 84973), (854, 78207), (917, 72834), (1194, 55937), (1281, 52138), (1393, 47946), (1834, 36417), (2562, 26069), (2751, 24278), (2786, 23973), (4179, 15982), (5502, 12139), (7991, 8358)]