1215355554

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{83}}^1\times {\mathrm{251}}^1\times {\mathrm{463}}^1$

素因数の和:812

約数の個数: 96

約数和(自身を含む): 3064449024

約数和(自身を除く): 1849093470

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 83, 126, 166, 249, 251, 463, 498, 502, 581, 747, 753, 926, 1162, 1389, 1494, 1506, 1743, 1757, 2259, 2778, 3241, 3486, 3514, 4167, 4518, 5229, 5271, 6482, 8334, 9723, 10458, 10542, 15813, 19446, 20833, 29169, 31626, 38429, 41666, 58338, 62499, 76858, 115287, 116213, 124998, 145831, 187497, 230574, 232426, 269003, 291662, 345861, 348639, 374994, 437493, 538006, 691722, 697278, 807009, 813491, 874986, 1045917, 1312479, 1614018, 1626982, 2091834, 2421027, 2440473, 2624958, 4842054, 4880946, 7321419, 9645679, 14642838, 19291358, 28937037, 57874074, 67519753, 86811111, 135039506, 173622222, 202559259, 405118518, 607677777, 1215355554]

約数ペア:

[(1, 1215355554), (2, 607677777), (3, 405118518), (6, 202559259), (7, 173622222), (9, 135039506), (14, 86811111), (18, 67519753), (21, 57874074), (42, 28937037), (63, 19291358), (83, 14642838), (126, 9645679), (166, 7321419), (249, 4880946), (251, 4842054), (463, 2624958), (498, 2440473), (502, 2421027), (581, 2091834), (747, 1626982), (753, 1614018), (926, 1312479), (1162, 1045917), (1389, 874986), (1494, 813491), (1506, 807009), (1743, 697278), (1757, 691722), (2259, 538006), (2778, 437493), (3241, 374994), (3486, 348639), (3514, 345861), (4167, 291662), (4518, 269003), (5229, 232426), (5271, 230574), (6482, 187497), (8334, 145831), (9723, 124998), (10458, 116213), (10542, 115287), (15813, 76858), (19446, 62499), (20833, 58338), (29169, 41666), (31626, 38429)]