77977648

素因数分解:

$2^4\times 7^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{607}}^1$

素因数の和:690

約数の個数: 80

約数和(自身を含む): 183353344

約数和(自身を除く): 105375696

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 37, 56, 62, 74, 112, 124, 148, 217, 248, 259, 296, 434, 496, 518, 592, 607, 868, 1036, 1147, 1214, 1736, 2072, 2294, 2428, 3472, 4144, 4249, 4588, 4856, 8029, 8498, 9176, 9712, 16058, 16996, 18352, 18817, 22459, 32116, 33992, 37634, 44918, 64232, 67984, 75268, 89836, 128464, 131719, 150536, 157213, 179672, 263438, 301072, 314426, 359344, 526876, 628852, 696229, 1053752, 1257704, 1392458, 2107504, 2515408, 2784916, 4873603, 5569832, 9747206, 11139664, 19494412, 38988824, 77977648]

約数ペア:

[(1, 77977648), (2, 38988824), (4, 19494412), (7, 11139664), (8, 9747206), (14, 5569832), (16, 4873603), (28, 2784916), (31, 2515408), (37, 2107504), (56, 1392458), (62, 1257704), (74, 1053752), (112, 696229), (124, 628852), (148, 526876), (217, 359344), (248, 314426), (259, 301072), (296, 263438), (434, 179672), (496, 157213), (518, 150536), (592, 131719), (607, 128464), (868, 89836), (1036, 75268), (1147, 67984), (1214, 64232), (1736, 44918), (2072, 37634), (2294, 33992), (2428, 32116), (3472, 22459), (4144, 18817), (4249, 18352), (4588, 16996), (4856, 16058), (8029, 9712), (8498, 9176)]