257922522

素因数分解:

$2^1\times 3^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{263}}^1$

素因数の和:425

約数の個数: 128

約数和(自身を含む): 681246720

約数和(自身を除く): 423324198

約数列:

[1, 2, 3, 6, 9, 11, 13, 18, 22, 26, 27, 33, 39, 54, 66, 78, 99, 117, 127, 143, 198, 234, 254, 263, 286, 297, 351, 381, 429, 526, 594, 702, 762, 789, 858, 1143, 1287, 1397, 1578, 1651, 2286, 2367, 2574, 2794, 2893, 3302, 3419, 3429, 3861, 4191, 4734, 4953, 5786, 6838, 6858, 7101, 7722, 8382, 8679, 9906, 10257, 12573, 14202, 14859, 17358, 18161, 20514, 25146, 26037, 29718, 30771, 33401, 36322, 37609, 37719, 44577, 52074, 54483, 61542, 66802, 75218, 75438, 78111, 89154, 92313, 100203, 108966, 112827, 156222, 163449, 184626, 200406, 225654, 300609, 326898, 338481, 367411, 434213, 490347, 601218, 676962, 734822, 868426, 901827, 980694, 1015443, 1102233, 1302639, 1803654, 2030886, 2204466, 2605278, 3306699, 3907917, 4776343, 6613398, 7815834, 9552686, 9920097, 11723751, 14329029, 19840194, 23447502, 28658058, 42987087, 85974174, 128961261, 257922522]

約数ペア:

[(1, 257922522), (2, 128961261), (3, 85974174), (6, 42987087), (9, 28658058), (11, 23447502), (13, 19840194), (18, 14329029), (22, 11723751), (26, 9920097), (27, 9552686), (33, 7815834), (39, 6613398), (54, 4776343), (66, 3907917), (78, 3306699), (99, 2605278), (117, 2204466), (127, 2030886), (143, 1803654), (198, 1302639), (234, 1102233), (254, 1015443), (263, 980694), (286, 901827), (297, 868426), (351, 734822), (381, 676962), (429, 601218), (526, 490347), (594, 434213), (702, 367411), (762, 338481), (789, 326898), (858, 300609), (1143, 225654), (1287, 200406), (1397, 184626), (1578, 163449), (1651, 156222), (2286, 112827), (2367, 108966), (2574, 100203), (2794, 92313), (2893, 89154), (3302, 78111), (3419, 75438), (3429, 75218), (3861, 66802), (4191, 61542), (4734, 54483), (4953, 52074), (5786, 44577), (6838, 37719), (6858, 37609), (7101, 36322), (7722, 33401), (8382, 30771), (8679, 29718), (9906, 26037), (10257, 25146), (12573, 20514), (14202, 18161), (14859, 17358)]