39931008

素因数分解:

$2^7\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{421}}^1$

素因数の和:470

約数の個数: 128

約数和(自身を含む): 120523200

約数和(自身を除く): 80592192

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 19, 24, 26, 32, 38, 39, 48, 52, 57, 64, 76, 78, 96, 104, 114, 128, 152, 156, 192, 208, 228, 247, 304, 312, 384, 416, 421, 456, 494, 608, 624, 741, 832, 842, 912, 988, 1216, 1248, 1263, 1482, 1664, 1684, 1824, 1976, 2432, 2496, 2526, 2964, 3368, 3648, 3952, 4992, 5052, 5473, 5928, 6736, 7296, 7904, 7999, 10104, 10946, 11856, 13472, 15808, 15998, 16419, 20208, 21892, 23712, 23997, 26944, 31616, 31996, 32838, 40416, 43784, 47424, 47994, 53888, 63992, 65676, 80832, 87568, 94848, 95988, 103987, 127984, 131352, 161664, 175136, 191976, 207974, 255968, 262704, 311961, 350272, 383952, 415948, 511936, 525408, 623922, 700544, 767904, 831896, 1023872, 1050816, 1247844, 1535808, 1663792, 2101632, 2495688, 3071616, 3327584, 4991376, 6655168, 9982752, 13310336, 19965504, 39931008]

約数ペア:

[(1, 39931008), (2, 19965504), (3, 13310336), (4, 9982752), (6, 6655168), (8, 4991376), (12, 3327584), (13, 3071616), (16, 2495688), (19, 2101632), (24, 1663792), (26, 1535808), (32, 1247844), (38, 1050816), (39, 1023872), (48, 831896), (52, 767904), (57, 700544), (64, 623922), (76, 525408), (78, 511936), (96, 415948), (104, 383952), (114, 350272), (128, 311961), (152, 262704), (156, 255968), (192, 207974), (208, 191976), (228, 175136), (247, 161664), (304, 131352), (312, 127984), (384, 103987), (416, 95988), (421, 94848), (456, 87568), (494, 80832), (608, 65676), (624, 63992), (741, 53888), (832, 47994), (842, 47424), (912, 43784), (988, 40416), (1216, 32838), (1248, 31996), (1263, 31616), (1482, 26944), (1664, 23997), (1684, 23712), (1824, 21892), (1976, 20208), (2432, 16419), (2496, 15998), (2526, 15808), (2964, 13472), (3368, 11856), (3648, 10946), (3952, 10104), (4992, 7999), (5052, 7904), (5473, 7296), (5928, 6736)]