131191398

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{3571}}^1$

素因数の和:3749

約数の個数: 48

約数和(自身を含む): 308149296

約数和(自身を除く): 176957898

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 117, 157, 234, 314, 471, 942, 1413, 2041, 2826, 3571, 4082, 6123, 7142, 10713, 12246, 18369, 21426, 32139, 36738, 46423, 64278, 92846, 139269, 278538, 417807, 560647, 835614, 1121294, 1681941, 3363882, 5045823, 7288411, 10091646, 14576822, 21865233, 43730466, 65595699, 131191398]

約数ペア:

[(1, 131191398), (2, 65595699), (3, 43730466), (6, 21865233), (9, 14576822), (13, 10091646), (18, 7288411), (26, 5045823), (39, 3363882), (78, 1681941), (117, 1121294), (157, 835614), (234, 560647), (314, 417807), (471, 278538), (942, 139269), (1413, 92846), (2041, 64278), (2826, 46423), (3571, 36738), (4082, 32139), (6123, 21426), (7142, 18369), (10713, 12246)]