81921216

素因数分解:

$2^6\times 3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{1427}}^1$

素因数の和:1478

約数の個数: 112

約数和(自身を含む): 243742464

約数和(自身を除く): 161821248

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 23, 24, 26, 32, 39, 46, 48, 52, 64, 69, 78, 92, 96, 104, 138, 156, 184, 192, 208, 276, 299, 312, 368, 416, 552, 598, 624, 736, 832, 897, 1104, 1196, 1248, 1427, 1472, 1794, 2208, 2392, 2496, 2854, 3588, 4281, 4416, 4784, 5708, 7176, 8562, 9568, 11416, 14352, 17124, 18551, 19136, 22832, 28704, 32821, 34248, 37102, 45664, 55653, 57408, 65642, 68496, 74204, 91328, 98463, 111306, 131284, 136992, 148408, 196926, 222612, 262568, 273984, 296816, 393852, 426673, 445224, 525136, 593632, 787704, 853346, 890448, 1050272, 1187264, 1280019, 1575408, 1706692, 1780896, 2100544, 2560038, 3150816, 3413384, 3561792, 5120076, 6301632, 6826768, 10240152, 13653536, 20480304, 27307072, 40960608, 81921216]

約数ペア:

[(1, 81921216), (2, 40960608), (3, 27307072), (4, 20480304), (6, 13653536), (8, 10240152), (12, 6826768), (13, 6301632), (16, 5120076), (23, 3561792), (24, 3413384), (26, 3150816), (32, 2560038), (39, 2100544), (46, 1780896), (48, 1706692), (52, 1575408), (64, 1280019), (69, 1187264), (78, 1050272), (92, 890448), (96, 853346), (104, 787704), (138, 593632), (156, 525136), (184, 445224), (192, 426673), (208, 393852), (276, 296816), (299, 273984), (312, 262568), (368, 222612), (416, 196926), (552, 148408), (598, 136992), (624, 131284), (736, 111306), (832, 98463), (897, 91328), (1104, 74204), (1196, 68496), (1248, 65642), (1427, 57408), (1472, 55653), (1794, 45664), (2208, 37102), (2392, 34248), (2496, 32821), (2854, 28704), (3588, 22832), (4281, 19136), (4416, 18551), (4784, 17124), (5708, 14352), (7176, 11416), (8562, 9568)]