990599012

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{293}}^1\times {\mathrm{823}}^1$

素因数の和:1212

約数の個数: 48

約数和(自身を含む): 1899287040

約数和(自身を除く): 908688028

約数列:

[1, 2, 4, 13, 26, 52, 79, 158, 293, 316, 586, 823, 1027, 1172, 1646, 2054, 3292, 3809, 4108, 7618, 10699, 15236, 21398, 23147, 42796, 46294, 65017, 92588, 130034, 241139, 260068, 300911, 482278, 601822, 845221, 964556, 1203644, 1690442, 3134807, 3380884, 6269614, 12539228, 19049981, 38099962, 76199924, 247649753, 495299506, 990599012]

約数ペア:

[(1, 990599012), (2, 495299506), (4, 247649753), (13, 76199924), (26, 38099962), (52, 19049981), (79, 12539228), (158, 6269614), (293, 3380884), (316, 3134807), (586, 1690442), (823, 1203644), (1027, 964556), (1172, 845221), (1646, 601822), (2054, 482278), (3292, 300911), (3809, 260068), (4108, 241139), (7618, 130034), (10699, 92588), (15236, 65017), (21398, 46294), (23147, 42796)]