87441328

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{191}}^1$

素因数の和:314

約数の個数: 80

約数和(自身を含む): 191987712

約数和(自身を除く): 104546384

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 52, 62, 71, 104, 124, 142, 191, 208, 248, 284, 382, 403, 496, 568, 764, 806, 923, 1136, 1528, 1612, 1846, 2201, 2483, 3056, 3224, 3692, 4402, 4966, 5921, 6448, 7384, 8804, 9932, 11842, 13561, 14768, 17608, 19864, 23684, 27122, 28613, 35216, 39728, 47368, 54244, 57226, 76973, 94736, 108488, 114452, 153946, 176293, 216976, 228904, 307892, 352586, 420391, 457808, 615784, 705172, 840782, 1231568, 1410344, 1681564, 2820688, 3363128, 5465083, 6726256, 10930166, 21860332, 43720664, 87441328]

約数ペア:

[(1, 87441328), (2, 43720664), (4, 21860332), (8, 10930166), (13, 6726256), (16, 5465083), (26, 3363128), (31, 2820688), (52, 1681564), (62, 1410344), (71, 1231568), (104, 840782), (124, 705172), (142, 615784), (191, 457808), (208, 420391), (248, 352586), (284, 307892), (382, 228904), (403, 216976), (496, 176293), (568, 153946), (764, 114452), (806, 108488), (923, 94736), (1136, 76973), (1528, 57226), (1612, 54244), (1846, 47368), (2201, 39728), (2483, 35216), (3056, 28613), (3224, 27122), (3692, 23684), (4402, 19864), (4966, 17608), (5921, 14768), (6448, 13561), (7384, 11842), (8804, 9932)]