399665448

素因数分解:

$2^3\times 3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{20333}}^1$

素因数の和:20368

約数の個数: 128

約数和(自身を含む): 1366444800

約数和(自身を除く): 966779352

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 13, 14, 18, 21, 24, 26, 27, 28, 36, 39, 42, 52, 54, 56, 63, 72, 78, 84, 91, 104, 108, 117, 126, 156, 168, 182, 189, 216, 234, 252, 273, 312, 351, 364, 378, 468, 504, 546, 702, 728, 756, 819, 936, 1092, 1404, 1512, 1638, 2184, 2457, 2808, 3276, 4914, 6552, 9828, 19656, 20333, 40666, 60999, 81332, 121998, 142331, 162664, 182997, 243996, 264329, 284662, 365994, 426993, 487992, 528658, 548991, 569324, 731988, 792987, 853986, 1057316, 1097982, 1138648, 1280979, 1463976, 1585974, 1707972, 1850303, 2114632, 2195964, 2378961, 2561958, 3171948, 3415944, 3700606, 3842937, 4391928, 4757922, 5123916, 5550909, 6343896, 7136883, 7401212, 7685874, 9515844, 10247832, 11101818, 14273766, 14802424, 15371748, 16652727, 19031688, 22203636, 28547532, 30743496, 33305454, 44407272, 49958181, 57095064, 66610908, 99916362, 133221816, 199832724, 399665448]

約数ペア:

[(1, 399665448), (2, 199832724), (3, 133221816), (4, 99916362), (6, 66610908), (7, 57095064), (8, 49958181), (9, 44407272), (12, 33305454), (13, 30743496), (14, 28547532), (18, 22203636), (21, 19031688), (24, 16652727), (26, 15371748), (27, 14802424), (28, 14273766), (36, 11101818), (39, 10247832), (42, 9515844), (52, 7685874), (54, 7401212), (56, 7136883), (63, 6343896), (72, 5550909), (78, 5123916), (84, 4757922), (91, 4391928), (104, 3842937), (108, 3700606), (117, 3415944), (126, 3171948), (156, 2561958), (168, 2378961), (182, 2195964), (189, 2114632), (216, 1850303), (234, 1707972), (252, 1585974), (273, 1463976), (312, 1280979), (351, 1138648), (364, 1097982), (378, 1057316), (468, 853986), (504, 792987), (546, 731988), (702, 569324), (728, 548991), (756, 528658), (819, 487992), (936, 426993), (1092, 365994), (1404, 284662), (1512, 264329), (1638, 243996), (2184, 182997), (2457, 162664), (2808, 142331), (3276, 121998), (4914, 81332), (6552, 60999), (9828, 40666), (19656, 20333)]