216920522

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{563}}^1$

素因数の和:687

約数の個数: 64

約数和(自身を含む): 420698880

約数和(自身を除く): 203778358

約数列:

[1, 2, 7, 13, 14, 26, 29, 58, 73, 91, 146, 182, 203, 377, 406, 511, 563, 754, 949, 1022, 1126, 1898, 2117, 2639, 3941, 4234, 5278, 6643, 7319, 7882, 13286, 14638, 14819, 16327, 27521, 29638, 32654, 41099, 51233, 55042, 82198, 102466, 114289, 192647, 212251, 228578, 287693, 385294, 424502, 534287, 575386, 1068574, 1191871, 1485757, 2383742, 2971514, 3740009, 7480018, 8343097, 15494323, 16686194, 30988646, 108460261, 216920522]

約数ペア:

[(1, 216920522), (2, 108460261), (7, 30988646), (13, 16686194), (14, 15494323), (26, 8343097), (29, 7480018), (58, 3740009), (73, 2971514), (91, 2383742), (146, 1485757), (182, 1191871), (203, 1068574), (377, 575386), (406, 534287), (511, 424502), (563, 385294), (754, 287693), (949, 228578), (1022, 212251), (1126, 192647), (1898, 114289), (2117, 102466), (2639, 82198), (3941, 55042), (4234, 51233), (5278, 41099), (6643, 32654), (7319, 29638), (7882, 27521), (13286, 16327), (14638, 14819)]