81278568

素因数分解:

$2^3\times 3^2\times 7^1\times {\mathrm{161267}}^1$

素因数の和:161286

約数の個数: 48

約数和(自身を含む): 251578080

約数和(自身を除く): 170299512

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 28, 36, 42, 56, 63, 72, 84, 126, 168, 252, 504, 161267, 322534, 483801, 645068, 967602, 1128869, 1290136, 1451403, 1935204, 2257738, 2902806, 3386607, 3870408, 4515476, 5805612, 6773214, 9030952, 10159821, 11611224, 13546428, 20319642, 27092856, 40639284, 81278568]

約数ペア:

[(1, 81278568), (2, 40639284), (3, 27092856), (4, 20319642), (6, 13546428), (7, 11611224), (8, 10159821), (9, 9030952), (12, 6773214), (14, 5805612), (18, 4515476), (21, 3870408), (24, 3386607), (28, 2902806), (36, 2257738), (42, 1935204), (56, 1451403), (63, 1290136), (72, 1128869), (84, 967602), (126, 645068), (168, 483801), (252, 322534), (504, 161267)]