389262874

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{1531}}^1$

素因数の和:1691

約数の個数: 64

約数和(自身を含む): 790659072

約数和(自身を除く): 401396198

約数列:

[1, 2, 7, 11, 13, 14, 22, 26, 77, 91, 127, 143, 154, 182, 254, 286, 889, 1001, 1397, 1531, 1651, 1778, 2002, 2794, 3062, 3302, 9779, 10717, 11557, 16841, 18161, 19558, 19903, 21434, 23114, 33682, 36322, 39806, 117887, 127127, 139321, 194437, 218933, 235774, 254254, 278642, 388874, 437866, 1361059, 1532531, 2138807, 2527681, 2722118, 3065062, 4277614, 5055362, 14971649, 17693767, 27804491, 29943298, 35387534, 55608982, 194631437, 389262874]

約数ペア:

[(1, 389262874), (2, 194631437), (7, 55608982), (11, 35387534), (13, 29943298), (14, 27804491), (22, 17693767), (26, 14971649), (77, 5055362), (91, 4277614), (127, 3065062), (143, 2722118), (154, 2527681), (182, 2138807), (254, 1532531), (286, 1361059), (889, 437866), (1001, 388874), (1397, 278642), (1531, 254254), (1651, 235774), (1778, 218933), (2002, 194437), (2794, 139321), (3062, 127127), (3302, 117887), (9779, 39806), (10717, 36322), (11557, 33682), (16841, 23114), (18161, 21434), (19558, 19903)]