215955596

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{131}}^1\times {\mathrm{199}}^1$

素因数の和:462

約数の個数: 48

約数和(自身を含む): 406560000

約数和(自身を除く): 190604404

約数列:

[1, 2, 4, 19, 38, 76, 109, 131, 199, 218, 262, 398, 436, 524, 796, 2071, 2489, 3781, 4142, 4978, 7562, 8284, 9956, 14279, 15124, 21691, 26069, 28558, 43382, 52138, 57116, 86764, 104276, 271301, 412129, 495311, 542602, 824258, 990622, 1085204, 1648516, 1981244, 2841521, 5683042, 11366084, 53988899, 107977798, 215955596]

約数ペア:

[(1, 215955596), (2, 107977798), (4, 53988899), (19, 11366084), (38, 5683042), (76, 2841521), (109, 1981244), (131, 1648516), (199, 1085204), (218, 990622), (262, 824258), (398, 542602), (436, 495311), (524, 412129), (796, 271301), (2071, 104276), (2489, 86764), (3781, 57116), (4142, 52138), (4978, 43382), (7562, 28558), (8284, 26069), (9956, 21691), (14279, 15124)]