81052972

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{653}}^1$

素因数の和:719

約数の個数: 96

約数和(自身を含む): 196890624

約数和(自身を除く): 115837652

約数列:

[1, 2, 4, 7, 11, 13, 14, 22, 26, 28, 31, 44, 52, 62, 77, 91, 124, 143, 154, 182, 217, 286, 308, 341, 364, 403, 434, 572, 653, 682, 806, 868, 1001, 1306, 1364, 1612, 2002, 2387, 2612, 2821, 4004, 4433, 4571, 4774, 5642, 7183, 8489, 8866, 9142, 9548, 11284, 14366, 16978, 17732, 18284, 20243, 28732, 31031, 33956, 40486, 50281, 59423, 62062, 80972, 93379, 100562, 118846, 124124, 141701, 186758, 201124, 222673, 237692, 263159, 283402, 373516, 445346, 526318, 566804, 653653, 890692, 1052636, 1307306, 1558711, 1842113, 2614612, 2894749, 3117422, 3684226, 5789498, 6234844, 7368452, 11578996, 20263243, 40526486, 81052972]

約数ペア:

[(1, 81052972), (2, 40526486), (4, 20263243), (7, 11578996), (11, 7368452), (13, 6234844), (14, 5789498), (22, 3684226), (26, 3117422), (28, 2894749), (31, 2614612), (44, 1842113), (52, 1558711), (62, 1307306), (77, 1052636), (91, 890692), (124, 653653), (143, 566804), (154, 526318), (182, 445346), (217, 373516), (286, 283402), (308, 263159), (341, 237692), (364, 222673), (403, 201124), (434, 186758), (572, 141701), (653, 124124), (682, 118846), (806, 100562), (868, 93379), (1001, 80972), (1306, 62062), (1364, 59423), (1612, 50281), (2002, 40486), (2387, 33956), (2612, 31031), (2821, 28732), (4004, 20243), (4433, 18284), (4571, 17732), (4774, 16978), (5642, 14366), (7183, 11284), (8489, 9548), (8866, 9142)]