661908156

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{19553}}^1$

素因数の和:19611

約数の個数: 96

約数和(自身を含む): 1962283008

約数和(自身を除く): 1300374852

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 21, 26, 28, 31, 39, 42, 52, 62, 78, 84, 91, 93, 124, 156, 182, 186, 217, 273, 364, 372, 403, 434, 546, 651, 806, 868, 1092, 1209, 1302, 1612, 2418, 2604, 2821, 4836, 5642, 8463, 11284, 16926, 19553, 33852, 39106, 58659, 78212, 117318, 136871, 234636, 254189, 273742, 410613, 508378, 547484, 606143, 762567, 821226, 1016756, 1212286, 1525134, 1642452, 1779323, 1818429, 2424572, 3050268, 3558646, 3636858, 4243001, 5337969, 7117292, 7273716, 7879859, 8486002, 10675938, 12729003, 15759718, 16972004, 21351876, 23639577, 25458006, 31519436, 47279154, 50916012, 55159013, 94558308, 110318026, 165477039, 220636052, 330954078, 661908156]

約数ペア:

[(1, 661908156), (2, 330954078), (3, 220636052), (4, 165477039), (6, 110318026), (7, 94558308), (12, 55159013), (13, 50916012), (14, 47279154), (21, 31519436), (26, 25458006), (28, 23639577), (31, 21351876), (39, 16972004), (42, 15759718), (52, 12729003), (62, 10675938), (78, 8486002), (84, 7879859), (91, 7273716), (93, 7117292), (124, 5337969), (156, 4243001), (182, 3636858), (186, 3558646), (217, 3050268), (273, 2424572), (364, 1818429), (372, 1779323), (403, 1642452), (434, 1525134), (546, 1212286), (651, 1016756), (806, 821226), (868, 762567), (1092, 606143), (1209, 547484), (1302, 508378), (1612, 410613), (2418, 273742), (2604, 254189), (2821, 234636), (4836, 136871), (5642, 117318), (8463, 78212), (11284, 58659), (16926, 39106), (19553, 33852)]