291217028765

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{47}}^1\times {\mathrm{269}}^1\times {\mathrm{27259}}^1$

素因数の和:27606

約数の個数: 48

約数和(自身を含む): 387911980800

約数和(自身を除く): 96694952035

約数列:

[1, 5, 13, 47, 65, 169, 235, 269, 611, 845, 1345, 3055, 3497, 7943, 12643, 17485, 27259, 39715, 45461, 63215, 136295, 164359, 227305, 354367, 821795, 1281173, 1771835, 2136667, 4606771, 6405865, 7332671, 10683335, 16655249, 23033855, 36663355, 83276245, 95324723, 216518237, 344635537, 476623615, 1082591185, 1239221399, 1723177685, 4480261981, 6196106995, 22401309905, 58243405753, 291217028765]

約数ペア:

[(1, 291217028765), (5, 58243405753), (13, 22401309905), (47, 6196106995), (65, 4480261981), (169, 1723177685), (235, 1239221399), (269, 1082591185), (611, 476623615), (845, 344635537), (1345, 216518237), (3055, 95324723), (3497, 83276245), (7943, 36663355), (12643, 23033855), (17485, 16655249), (27259, 10683335), (39715, 7332671), (45461, 6405865), (63215, 4606771), (136295, 2136667), (164359, 1771835), (227305, 1281173), (354367, 821795)]