81162224

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1867}}^1$

素因数の和:1918

約数の個数: 80

約数和(自身を含む): 194570880

約数和(自身を除く): 113408656

約数列:

[1, 2, 4, 8, 11, 13, 16, 19, 22, 26, 38, 44, 52, 76, 88, 104, 143, 152, 176, 208, 209, 247, 286, 304, 418, 494, 572, 836, 988, 1144, 1672, 1867, 1976, 2288, 2717, 3344, 3734, 3952, 5434, 7468, 10868, 14936, 20537, 21736, 24271, 29872, 35473, 41074, 43472, 48542, 70946, 82148, 97084, 141892, 164296, 194168, 266981, 283784, 328592, 388336, 390203, 461149, 533962, 567568, 780406, 922298, 1067924, 1560812, 1844596, 2135848, 3121624, 3689192, 4271696, 5072639, 6243248, 7378384, 10145278, 20290556, 40581112, 81162224]

約数ペア:

[(1, 81162224), (2, 40581112), (4, 20290556), (8, 10145278), (11, 7378384), (13, 6243248), (16, 5072639), (19, 4271696), (22, 3689192), (26, 3121624), (38, 2135848), (44, 1844596), (52, 1560812), (76, 1067924), (88, 922298), (104, 780406), (143, 567568), (152, 533962), (176, 461149), (208, 390203), (209, 388336), (247, 328592), (286, 283784), (304, 266981), (418, 194168), (494, 164296), (572, 141892), (836, 97084), (988, 82148), (1144, 70946), (1672, 48542), (1867, 43472), (1976, 41074), (2288, 35473), (2717, 29872), (3344, 24271), (3734, 21736), (3952, 20537), (5434, 14936), (7468, 10868)]