38789478

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{199}}^1$

素因数の和:251

約数の個数: 144

約数和(自身を含む): 112039200

約数和(自身を除く): 73249722

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 17, 18, 21, 26, 34, 39, 42, 49, 51, 63, 78, 91, 98, 102, 117, 119, 126, 147, 153, 182, 199, 221, 234, 238, 273, 294, 306, 357, 398, 441, 442, 546, 597, 637, 663, 714, 819, 833, 882, 1071, 1194, 1274, 1326, 1393, 1547, 1638, 1666, 1791, 1911, 1989, 2142, 2499, 2587, 2786, 3094, 3383, 3582, 3822, 3978, 4179, 4641, 4998, 5174, 5733, 6766, 7497, 7761, 8358, 9282, 9751, 10149, 10829, 11466, 12537, 13923, 14994, 15522, 18109, 19502, 20298, 21658, 23283, 23681, 25074, 27846, 29253, 30447, 32487, 36218, 43979, 46566, 47362, 54327, 58506, 60894, 64974, 71043, 87759, 87958, 97461, 108654, 126763, 131937, 142086, 162981, 165767, 175518, 194922, 213129, 253526, 263874, 307853, 325962, 331534, 380289, 395811, 426258, 497301, 615706, 760578, 791622, 923559, 994602, 1140867, 1491903, 1847118, 2154971, 2281734, 2770677, 2983806, 4309942, 5541354, 6464913, 12929826, 19394739, 38789478]

約数ペア:

[(1, 38789478), (2, 19394739), (3, 12929826), (6, 6464913), (7, 5541354), (9, 4309942), (13, 2983806), (14, 2770677), (17, 2281734), (18, 2154971), (21, 1847118), (26, 1491903), (34, 1140867), (39, 994602), (42, 923559), (49, 791622), (51, 760578), (63, 615706), (78, 497301), (91, 426258), (98, 395811), (102, 380289), (117, 331534), (119, 325962), (126, 307853), (147, 263874), (153, 253526), (182, 213129), (199, 194922), (221, 175518), (234, 165767), (238, 162981), (273, 142086), (294, 131937), (306, 126763), (357, 108654), (398, 97461), (441, 87958), (442, 87759), (546, 71043), (597, 64974), (637, 60894), (663, 58506), (714, 54327), (819, 47362), (833, 46566), (882, 43979), (1071, 36218), (1194, 32487), (1274, 30447), (1326, 29253), (1393, 27846), (1547, 25074), (1638, 23681), (1666, 23283), (1791, 21658), (1911, 20298), (1989, 19502), (2142, 18109), (2499, 15522), (2587, 14994), (2786, 13923), (3094, 12537), (3383, 11466), (3582, 10829), (3822, 10149), (3978, 9751), (4179, 9282), (4641, 8358), (4998, 7761), (5174, 7497), (5733, 6766)]