1551167828

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{181}}^2$

素因数の和:481

約数の個数: 72

約数和(自身を含む): 3320654400

約数和(自身を除く): 1769486572

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 89, 133, 178, 181, 266, 356, 362, 532, 623, 724, 1246, 1267, 1691, 2492, 2534, 3382, 3439, 5068, 6764, 6878, 11837, 13756, 16109, 23674, 24073, 32218, 32761, 47348, 48146, 64436, 65522, 96292, 112763, 131044, 225526, 229327, 306071, 451052, 458654, 612142, 622459, 917308, 1224284, 1244918, 2142497, 2489836, 2915729, 4284994, 4357213, 5831458, 8569988, 8714426, 11662916, 17428852, 20410103, 40820206, 55398851, 81640412, 110797702, 221595404, 387791957, 775583914, 1551167828]

約数ペア:

[(1, 1551167828), (2, 775583914), (4, 387791957), (7, 221595404), (14, 110797702), (19, 81640412), (28, 55398851), (38, 40820206), (76, 20410103), (89, 17428852), (133, 11662916), (178, 8714426), (181, 8569988), (266, 5831458), (356, 4357213), (362, 4284994), (532, 2915729), (623, 2489836), (724, 2142497), (1246, 1244918), (1267, 1224284), (1691, 917308), (2492, 622459), (2534, 612142), (3382, 458654), (3439, 451052), (5068, 306071), (6764, 229327), (6878, 225526), (11837, 131044), (13756, 112763), (16109, 96292), (23674, 65522), (24073, 64436), (32218, 48146), (32761, 47348)]