8721458808

素因数分解:

$2^3\times 3^1\times {\mathrm{71}}^1\times {\mathrm{127}}^1\times {\mathrm{191}}^1\times {\mathrm{211}}^1$

素因数の和:609

約数の個数: 128

約数和(自身を含む): 22507683840

約数和(自身を除く): 13786225032

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 71, 127, 142, 191, 211, 213, 254, 284, 381, 382, 422, 426, 508, 568, 573, 633, 762, 764, 844, 852, 1016, 1146, 1266, 1524, 1528, 1688, 1704, 2292, 2532, 3048, 4584, 5064, 9017, 13561, 14981, 18034, 24257, 26797, 27051, 27122, 29962, 36068, 40301, 40683, 44943, 48514, 53594, 54102, 54244, 59924, 72136, 72771, 80391, 80602, 81366, 89886, 97028, 107188, 108204, 108488, 119848, 120903, 145542, 160782, 161204, 162732, 179772, 194056, 214376, 216408, 241806, 291084, 321564, 322408, 325464, 359544, 483612, 582168, 643128, 967224, 1722247, 1902587, 2861371, 3444494, 3805174, 5118227, 5166741, 5707761, 5722742, 6888988, 7610348, 8584113, 10236454, 10333482, 11415522, 11445484, 13777976, 15220696, 15354681, 17168226, 20472908, 20666964, 22831044, 22890968, 30709362, 34336452, 40945816, 41333928, 45662088, 61418724, 68672904, 122837448, 363394117, 726788234, 1090182351, 1453576468, 2180364702, 2907152936, 4360729404, 8721458808]

約数ペア:

[(1, 8721458808), (2, 4360729404), (3, 2907152936), (4, 2180364702), (6, 1453576468), (8, 1090182351), (12, 726788234), (24, 363394117), (71, 122837448), (127, 68672904), (142, 61418724), (191, 45662088), (211, 41333928), (213, 40945816), (254, 34336452), (284, 30709362), (381, 22890968), (382, 22831044), (422, 20666964), (426, 20472908), (508, 17168226), (568, 15354681), (573, 15220696), (633, 13777976), (762, 11445484), (764, 11415522), (844, 10333482), (852, 10236454), (1016, 8584113), (1146, 7610348), (1266, 6888988), (1524, 5722742), (1528, 5707761), (1688, 5166741), (1704, 5118227), (2292, 3805174), (2532, 3444494), (3048, 2861371), (4584, 1902587), (5064, 1722247), (9017, 967224), (13561, 643128), (14981, 582168), (18034, 483612), (24257, 359544), (26797, 325464), (27051, 322408), (27122, 321564), (29962, 291084), (36068, 241806), (40301, 216408), (40683, 214376), (44943, 194056), (48514, 179772), (53594, 162732), (54102, 161204), (54244, 160782), (59924, 145542), (72136, 120903), (72771, 119848), (80391, 108488), (80602, 108204), (81366, 107188), (89886, 97028)]