31290112

素因数分解:

$2^8\times 7^1\times {\mathrm{19}}^1\times {\mathrm{919}}^1$

素因数の和:961

約数の個数: 72

約数和(自身を含む): 75219200

約数和(自身を除く): 43929088

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 32, 38, 56, 64, 76, 112, 128, 133, 152, 224, 256, 266, 304, 448, 532, 608, 896, 919, 1064, 1216, 1792, 1838, 2128, 2432, 3676, 4256, 4864, 6433, 7352, 8512, 12866, 14704, 17024, 17461, 25732, 29408, 34048, 34922, 51464, 58816, 69844, 102928, 117632, 122227, 139688, 205856, 235264, 244454, 279376, 411712, 488908, 558752, 823424, 977816, 1117504, 1646848, 1955632, 2235008, 3911264, 4470016, 7822528, 15645056, 31290112]

約数ペア:

[(1, 31290112), (2, 15645056), (4, 7822528), (7, 4470016), (8, 3911264), (14, 2235008), (16, 1955632), (19, 1646848), (28, 1117504), (32, 977816), (38, 823424), (56, 558752), (64, 488908), (76, 411712), (112, 279376), (128, 244454), (133, 235264), (152, 205856), (224, 139688), (256, 122227), (266, 117632), (304, 102928), (448, 69844), (532, 58816), (608, 51464), (896, 34922), (919, 34048), (1064, 29408), (1216, 25732), (1792, 17461), (1838, 17024), (2128, 14704), (2432, 12866), (3676, 8512), (4256, 7352), (4864, 6433)]