31818384

素因数分解:

$2^4\times 3^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{739}}^1$

素因数の和:789

約数の個数: 120

約数和(自身を含む): 100201920

約数和(自身を除く): 68383536

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 23, 24, 26, 36, 39, 46, 48, 52, 69, 72, 78, 92, 104, 117, 138, 144, 156, 184, 207, 208, 234, 276, 299, 312, 368, 414, 468, 552, 598, 624, 739, 828, 897, 936, 1104, 1196, 1478, 1656, 1794, 1872, 2217, 2392, 2691, 2956, 3312, 3588, 4434, 4784, 5382, 5912, 6651, 7176, 8868, 9607, 10764, 11824, 13302, 14352, 16997, 17736, 19214, 21528, 26604, 28821, 33994, 35472, 38428, 43056, 50991, 53208, 57642, 67988, 76856, 86463, 101982, 106416, 115284, 135976, 152973, 153712, 172926, 203964, 220961, 230568, 271952, 305946, 345852, 407928, 441922, 461136, 611892, 662883, 691704, 815856, 883844, 1223784, 1325766, 1383408, 1767688, 1988649, 2447568, 2651532, 3535376, 3977298, 5303064, 7954596, 10606128, 15909192, 31818384]

約数ペア:

[(1, 31818384), (2, 15909192), (3, 10606128), (4, 7954596), (6, 5303064), (8, 3977298), (9, 3535376), (12, 2651532), (13, 2447568), (16, 1988649), (18, 1767688), (23, 1383408), (24, 1325766), (26, 1223784), (36, 883844), (39, 815856), (46, 691704), (48, 662883), (52, 611892), (69, 461136), (72, 441922), (78, 407928), (92, 345852), (104, 305946), (117, 271952), (138, 230568), (144, 220961), (156, 203964), (184, 172926), (207, 153712), (208, 152973), (234, 135976), (276, 115284), (299, 106416), (312, 101982), (368, 86463), (414, 76856), (468, 67988), (552, 57642), (598, 53208), (624, 50991), (739, 43056), (828, 38428), (897, 35472), (936, 33994), (1104, 28821), (1196, 26604), (1478, 21528), (1656, 19214), (1794, 17736), (1872, 16997), (2217, 14352), (2392, 13302), (2691, 11824), (2956, 10764), (3312, 9607), (3588, 8868), (4434, 7176), (4784, 6651), (5382, 5912)]